Remove Duplicate Columns In R

And if the data you are working with is huge, then it becomes really difficult to find and remove these duplicates in Excel. Please share with us any additional differences that you may find. What is needed is a hash function H(z,n) – where z is the key being hashed and n is the number of allowed hash values – such that H(z,n + 1) = H(z,n) with probability close to n/(n + 1). If you wish to be more nuanced about your removal, select a range of cells, and then use Clear Rules from Selected Cells. In this database there are duplicates and I want to read through this database and identify duplicated emails. The process is to pull the full data set first. S cenario 1: Suppose we have two Tables as follows which we want to append. For instance if the program comes across 2 instances of "duplicated value" in the DateGridView, I would like the second instance to be removed and then a value of 1 added to the first instances row, 4th column. Removing Duplicate Rows Based on a Subset of Columns Problem Data needs to be cleansed from a table based on duplicate values that are present…. Table --> Select --> Table. I've concatenated the three rows I wan. Given an Array, derive a sequence of elements in which all duplicates are removed. Press the Delete dropdown on the Home tab and select Delete Sheet Rows. There is an rbind method for data frames which mvbutils overrides, and rbdf calls the override directly. Step 3: The following dialog box appears. Value AA is not in column F because it has a duplicate, in other words, AA is not unique in column B. To remove duplicates from pandas DataFrame, you may use the following syntax that you saw at the beginning of this tutorial: DataFrame. Explained VBA Code to Delete Multiple Columns: Columns (“A:C”). Use formulas to find multi-column duplicates in Excel. Every column corresponds to particular data (name, surname, job title, company, email, contact ID etc. Not sure what you mean by "check the aa change for each duplicate", but presumably you could just get a list of the unique gene IDs, and then use a for-loop to iterate over them, selecting all relevant rows, and performing some operation on each group of duplicates. Example: Point_counts Psi_Sp 1 A 0 2 A 1. FILE SPACING: # double space a file: sed G # double space a file which already has blank lines in it. I tried duplicate(), but it removes the duplicate entries. Field by assuming you have integer data in. SPSS Tutorials: Data Creation in SPSS This tutorial covers how to create a new dataset in SPSS by manually entering data. How to Transpose Columns & Rows in Excel, Open the spreadsheet you need to change. Hi everybody, I would like to delete rows based on duplicate entries in column 3 in the data matrix X (size 60000 x 57). In this article we will show you, How to write a query to Delete Duplicate Rows in SQL Server with example. It’s used to divide a column into different groups, so that you can evaluate a calculation for each group, instead of the entire column. In this case, you can try Kutools for Excel's Select Duplicate & Unique Cells utility. All of these can be duplicates but only if another value in the row differs. Sets can be used to perform mathematical set operations like union, intersection, symmetric difference etc. If you can't delete your movies or TV shows If you see the download button next to the item, the item is stored in the cloud and isn't using storage on your device. In either case, duplicate column names are not allowed for a view. Next, I had to compare these emails to a separate list of emails (base. You can then use one of the other methods described below to investigate any additional duplicates in the Unique ID field. Remove duplicate rows based on all columns: my_data %>% distinct(). I have a table in R. ly/2MU1PvK Category. Anyone with some ideas on how to. With vectors:. But how do I only remove duplicate rows based on columns 1, 3 and 4 only? i. I am new to R, can you please help me with R code for this. Click any single cell inside the data set. That’s because the default options of merge () suffice in this case; this is a basic example. SQL LIKE query Command By using LIKE query we can match part of the full data present in a column. The data contains some duplicate entries, and you want to remove these. If you can't delete your movies or TV shows If you see the download button next to the item, the item is stored in the cloud and isn't using storage on your device. Remove/delete all duplicate lines. For instance, if all of the values in F7:AB7 are identical to the values in F6:AB6, the Jennifer would consider row 7 to be a duplicate of row 6. Jerry Beaucaire's - Excel Assistant. The name is captured from the expression with rlang::ensym() (note that this kind of interface where symbols do not represent actual objects is now discouraged in the tidyverse; we support it here for backward comp. Random Number Generator Random numbers can be used for lots of things. TextCrawler is a very powerful freeware program that is built mainly for the task of searching and replacing data in text files. Use Database Query. distinct() and either row 5 or row 6 will be removed. The reason why we do a delete and insert is because most of the table have +200 columns. Remove Duplicates in Excel Table. To modify columns in a SAS data set you use DROP/KEEP and RENAME. first one to get the columns of the table, then remove unwanted ones, then the real request. If using Excel or SPSS, think that it returns a true or false for every row in a workbook or SPSS dataset. Each element is a string that contains some characters and some numbers. Is there any known VBA code or formulas I could use? It would need to recognize a full string (up to 3 words) The spreadsheet is large and would be a pain to go and manually remove them. Tile Tool – by creating a sequence and then filtering the data. Pandas is one of those packages and makes importing and analyzing data much easier. On the Data tab, in the Data Tools group, click Remove Duplicates. To add on, it may not be the case that we want to groupBy all columns other than the column(s) in aggregate function i. The rbind() function in R conveniently adds the names of the vectors to the rows of the matrix. However, the set itself is mutable. In the summary sheet i have a fabric column which consist of all the months fabric column data which i currently is copying and using the remove duplicate function. Summary: in this tutorial, you will learn various ways to delete duplicate rows in MySQL. Thanks for your help!. The COLUMN function is a built-in function in Excel that is categorized as a Lookup/Reference Function. e, if we want to remove duplicates purely based on a subset of columns and retain all columns in the original dataframe. The duplicates are 100% identical rows. Displaying duplicate values in OBIEE reports Posted on August 13, 2008 by carpediemconsulting Usually when you run a report in OBIEE it would suppress the duplicates by default and this behavior is acceptable in almost all the cases. Going Further. I have four columns of data with thousands of rows and I need a macro to check of 4 columns and delete duplicate rows. Delete columns based on the contents of the header. After I've identified the duplicates within that column I want to assign a value based on the first time that number shows up (in this case by I'v sorted by date), so the first duplicate would have a value like "1. I was hoping to highlight cells when the value in the 1st cell in column 1, equals the value in the 1st cell in column 2, and the same all the way down. Remove duplicate values: Excel has inbuilt feature to remove duplicate values from a table. [1]Step 3, Drag the column to the desired location. In addition, I would like R to remove duplicates based on the underlying and overlying row only. Say you read a data frame from a file but you don’t like the column names. The cursor will turn to a four-pointed arrow (PC) or a hand (Mac). Keep columns by column index number In this case, we are telling R to keep only variables that are placed at second and fourth position. A complete list of all keyboard shortcuts in Visual Studio 2017. See More: delete duplicate rows in four columns. Second, you place a column or a list of columns after the DISTINCT keyword. This will automatically remove any duplicate values from your selection. To delete data from multiple tables using a single DELETE statement, you use the DELETE JOIN statement which we will cover in the next tutorial. I've got a data. Fit printout images to Letter template - for entire section Image. Contacts saved to your Google Account will sync with Google Contacts and all your Android devices. 1000 rows of data want to remove the duplicate rows A, B, C but sum the numbers that are in Column E Example Want to sum and delete the duplicate rows, so only one row remains with the new total i. duplicated: Determine Duplicate Elements Description Usage Arguments Details Value Warning References See Also Examples Description. I want to remove duplicate cutomer numbers from column A, while in case of duplicates, favor a specific value "Current", from column B. How to remove columns from CSV file based on column number using bash shell. You can use. unique(x[,1]) will return the set of unique values in the first column. If you use one column, SQLite uses values in that column to evaluate the duplicate. Some of the rows have the same element in one of the columns. In my previous article SQL SERVER – Delete Duplicate Records – Rows, we have seen how we can delete all the duplicate records in one simple query. I tried using merge but I do not want to enter the column names one by one like merge (x, y) horse sheep horse A A A B B C This should give. , sort) rows, in your data table, by the value of one or more columns (i. 9 Challenges on Data Merging and Subsetting in R & Python (for beginners) Beginner Business Analytics Data Exploration Listicle Programming Python R Structured Data syed danish , June 12, 2016. ; Make sure you are using a modern enough browser. unique(df, 5) gives a new dataframe based on the unique values in column 5. Remove all rows of an R dataframe. Pinal Dave is a SQL Server Performance Tuning Expert and an independent consultant. This means that for duplicated values. Re: Remove Duplicates but keep one copy of each name. This will automatically remove any duplicate values from your selection. If I remove dupicates using ID I'm left with the first 3 rows only and if I remove duplicates using Time I'm left with rows 1 and 4. Would someone help me to implment this in R ? the point is that, duplicate colnames, might not have duplicate. Agree with David. To remove duplicates. You want to add or remove columns from a data frame. To delete columns, select the column, similar to how we instructed you to do when adding a column, and right-click. Use that query to create a temp table (using SELECT DISTINCT) of the duplicates. It’s also possible to use R’s string search-and-replace functions to rename columns. When a data. Remove rows that are complete duplicates of other rows: The col 2 and 3 duplicates are now removed for statistical analysis, but you have kept the col 4 and 5 data in a tibble and can go back to the original data frame at any point with unnest(). Checking all the columns is a better approach if you only want to remove rows that are an exact duplicate of another row. Removes all rows from a Power Query table, in the Query Editor, where the values in the selected columns duplicate earlier values. duplicated returns a logical vector indicating which rows of a data. In addition, I would like R to remove duplicates based on the underlying and overlying row only. To do this conditional on a different column’s value, you can sort_values(colname) and specify keep equals either first or last. the only thing is, open the csv file and go to the last line and just hit enter (adding another linebreak). You can use. Would be great to extend unique or have a uniquerows, so that one can create a dataframe from an existing one that has unique rows - but the uniqueness could be based on unique values in a particular column. Extensive, exportable, wiki-style reference lists for Keyboard Shortcuts/Hotkeys. If you work with lots of data in Google Docs, this will help you stay under the 2 million cell limit in Google Sheets by removing unused cells. If say you do not have a key column and you know that the rows are duplicate only when every single column value of one row is same as every column value of the other row, then you will have to compare each of the column values on that row. Agree with David. This example teaches you how to remove duplicates in Excel. The new text will appear in the box at the bottom of the page. The name is captured from the expression with rlang::ensym() (note that this kind of interface where symbols do not represent actual objects is now discouraged in the tidyverse; we support it here for backward comp. The Identity Column in the example above is named "ID" and is used to identify the duplicate records. Because we’re joining the table to itself, it’s necessary to use aliases (here, we’re using a and b) to label the two versions. For the purposes of parsing the file, words are determined by insertion of spaces. If you want to remove duplicate cells (rather than entire rows of data), you may find the Remove Duplicate Cells page more straightforward. Duplicates in Excel can cause a lot of troubles. I'm trying to remove duplicate geometries, in this case points. Click on any cell with data in your worksheet. Say you read a data frame from a file but you don’t like the column names. Select and copy columns from Excel spreadsheet. anyDuplicated returns the index i of the first duplicated entry if there is one, and 0 otherwise. 0 there is also a button to delete attributes in the properties menu. The purpose is to reduce the volume of data returned when the data volumn already in the database is high. duplicated() determines which elements of a vector or data frame are duplicates of elements with smaller subscripts, and returns a logical vector indicating which elements (rows) are duplicates. frame object is one of the core objects to hold data in R, you'll find that it's not really efficient when you're working with time series data. This has to happen over very large tables (millions of rows, hundreds of columns) so doing a pairwise check is likely not feasible. It will remove any leading or trailing space characters. As always with R, there is more than one way of achieving your goal. To fill the blank cells manually, you will select all the blanks, enter a simple formula in each cell, then convert the formulas to values. Each dynamic partition column has a corresponding input column from the select statement. Follow the instructions below, or watch a video to see the steps. builtins() # List all built-in functions options() # Set options to control how R computes & displays results ?NA # Help page on handling of missing data values abs(x) # The absolute value of "x" append() # Add elements to a vector c(x) # A generic function which combines its arguments cat(x) # Prints the arguments cbind() # Combine vectors by row/column (cf. The third row is removed because the values in Column1 and Column4 are the same in both instances. If you try this on a data frame, R automatically checks the observations (meaning, it treats every row as a value). Similarly for Delete D and E which corresponds to D. If you can't delete your movies or TV shows If you see the download button next to the item, the item is stored in the cloud and isn't using storage on your device. An example of duplication here is that the correlation between A and B duplicates the correlation between B and A: depVar1=A, depVar2=B; depVar1=B, depVar2=A (this is a duplicate of the above). To eliminate one of the shop_ids from the result set, we can select all fields from the employees table along with the shop field from the shops table. Scanning each column one at a time will resolve any errors here. Hi everyone, I have the following call to the merge() function. To do so, we'll remove the column Identify and Remove Duplicate Data in R. Duplicate Remover Wizard: https://ww. " You convert everything to upper case and write it without spaces. For sampling a dataset in R, we need to first find a few random indices. Next, I had to compare these emails to a separate list of emails (base. column are positions which I want to combine whenever the value in column 4 is the same. Delete A Column Of A Data Frame By Subsetting. Run a Delete query on your main table (make a backup first), that deletes all records that match the records in your temp table. xls spreadsheet, and I added column "E", with header "Status Date2" and formated as date. In Excel, there are several ways to filter for unique values—or remove duplicate values: To filter for unique values, click Data > Sort & Filter > Advanced. For example, select three existing rows, click Above or Below, and three more rows will be added. some kind of row ID) and in the second one you can’t. You'll find yourself wanting a more flexible time series class in R that offers a variety of methods to manipulate your data. If you wish to be more nuanced about your removal, select a range of cells, and then use Clear Rules from Selected Cells. upload a column for first call and extremely final call concatenated. Row 3 may have duplicate phone numbers in I, J, K, and M. The AND condition allows you to delete a record if all of the conditions are met. The first column contains many repeated values, but there is a distinct value in column 2. Opening library documentation failed. Summarize Tool – by grouping the data, so we can remove the duplicates. I think you're confused about how subsetting works in R. Determine Duplicate Elements Description. Written by Peter Rosenmai on 8 Dec 2013. Re: Remove Duplicates Of Multiple Columns HI DAVE Thank you for your reponse. I have four columns of data with thousands of rows and I need a macro to check of 4 columns and delete duplicate rows. Method #1 – Using PROC SORT to Remove Duplicates. The initial SELECT simply selects every column in the users table, and then inner joins it with the duplicated data table from our initial query. Verify that you have JavaScript enabled in your browser. So you're likely getting NAs because the values refer to rows that don't exist in the matrix. 9 Challenges on Data Merging and Subsetting in R & Python (for beginners) Beginner Business Analytics Data Exploration Listicle Programming Python R Structured Data syed danish , June 12, 2016. But how do I only remove duplicate rows based on columns 1, 3 and 4 only? i. 2) We can then select the columns, we’ll just leave all of the columns checked for this example. If you then try to subset using those values R thinks you're referring to rows of the matrix. Every element is unique (no duplicates) and must be immutable (which cannot be changed). anyDuplicated returns the index i of the first duplicated entry if there is one, and 0 otherwise. It's an efficient version of the R base function unique(). Another quicker and best approach is the code stage. Step 1, Click the letter above the column you want to move. You want to find and/or remove duplicate entries from a vector or data frame. Instead, I want to have the Company names display vertically in Column A and the Data Attributes display horizontally in Row 1. Delete empty rows is a special case of this topic. Update: If you have the rows sorted, you could add a column that identifies duplicates. e, if we want to remove duplicates purely based on a subset of columns and retain all columns in the original dataframe. I have the message, "Which wristwatches are swiss wristwatches. As you likely know, a SAS data set is a table. Importing & Exporting Data Sorting Duplicates Matching Merging Reshaping Missing Data Dataframes R refers to datasets as dataframes A dataframe is a matrix-like structure, where the columns can be of di erent types. We can definitely sort this column and then we can delete the rows where the value is only no. remove() when you want to remove the element itself, as well as everything inside it. How to Transpose Columns & Rows in Excel, Open the spreadsheet you need to change. Every element is unique (no duplicates) and must be immutable (which cannot be changed). Pinal Dave is a SQL Server Performance Tuning Expert and an independent consultant. Dplyr package in R is provided with distinct() function which eliminate duplicates rows with single variable or with multiple variable. e were not one of a pair. Once you have downloaded and opened the resource, or opened your own document, you are ready to proceed. If column-list is omitted, all items in the select list of query-1 must be named. rnk > 1; Alternatively you can use the above query as derived table in the DELETE directly. First toggle editing (right click on a layer -> toggle editing) and go to the properties menu (right click -> properties or just double click). Only compound sort keys are created with this syntax. SQLite considers NULL values as duplicates. It can be used as a worksheet function (WS) in Excel. You can use the SORTKEY keyword after a column name to specify a single-column sort key, or you can specify one or more columns as sort key columns for the table by using the SORTKEY (column_name [, ]) syntax. Hi everybody, I would like to delete rows based on duplicate entries in column 3 in the data matrix X (size 60000 x 57). source) is unique per record, so the DISTINCT thinks the entire record is unique instead of filtering out records that have a duplicate 'address1' field. R has a useful function, duplicated(), that finds duplicate values and returns a logical vector that tells you whether the specific value is a duplicate of a previous value. For example, we cant insert a blank row or column inside pivot tables. You will learn how to easily: Sort a data frame rows in ascending order (from low to high) using the R function arrange() [dplyr package]. To practice manipulating data frames with the dplyr package, try this interactive course on data frame manipulation in R. The function distinct() [dplyr package] can be used to keep only unique/distinct rows from a data frame. Below are the different methods to remove duplicates in a string. Dplyr package in R is provided with distinct() function which eliminate duplicates rows with single variable or with multiple variable. unique returns a data table with duplicated rows (by key) removed, or (when no key) duplicated rows by all columns removed. SQL HOME SQL Intro SQL Syntax SQL Select SQL Select Distinct SQL Where SQL And, Or, Not SQL Order By SQL Insert Into SQL Null Values SQL Update SQL Delete SQL Select Top SQL Min and Max SQL Count, Avg, Sum SQL Like SQL Wildcards SQL In SQL Between SQL Aliases SQL Joins SQL Inner Join SQL Left Join SQL Right Join SQL Full Join SQL Self Join SQL. Drop duplicates in the first name column, but take the last obs in the duplicated set. Paste into Word, this takes a few moments. remove() when you want to remove the element itself, as well as everything inside it. Dplyr package in R is provided with mutate(), mutate_all() and mutate_at() function which creates the new variable to the dataframe. Represents a two-dimensional, mutable table of values. Every column corresponds to particular data (name, surname, job title, company, email, contact ID etc. In the following query, we just add COUNT(*) that gives the count of the group of columns that we put in GROUP BY clause. count For X = 1 To CC 'Count of All Columns In Active Sheet If Cells(1, X) = "" Then Exit For DC = DC + 1 'Data Columns Count In Active Sheet Next X. - Delete the Combined column. It’s used to divide a column into different groups, so that you can evaluate a calculation for each group, instead of the entire column. String' with 'System. Remove Duplicate rows in R using Dplyr - distinct () Distinct function in R is used to remove duplicate rows in R using Dplyr package. source) is unique per record, so the DISTINCT thinks the entire record is unique instead of filtering out records that have a duplicate 'address1' field. table R package is considered as the fastest package for data manipulation. If the records were imported from another source, and you expect that the problems with trailing spaces will be ongoing, you can use a TRIM formula to clean up the data. In this case, you can try Kutools for Excel's Select Duplicate & Unique Cells utility. I'm struggling to identify duplicates in CSV file. If you look carefully, you notice that row 143 is a duplicate (because the 143rd element of your result has the value TRUE ). I want to remove records with duplicate ids, keeping only the row with the maximum value. Part 8: How to remove duplicate values of a variable?. Replace both multiple whitespaces and tabs with a single space. The duplicate folder will have a newer creation date and time. If more than one of the COLUMN_KEY values applies to a given column of a table, COLUMN_KEY displays the one with the highest priority, in the order PRI , UNI , MUL. The built-in 'remove duplicates' removes all duplicates, I only want to remove the contiguous duplicates. DELETE Statement. EntireColumn. Opening library documentation failed. Any delete triggers defined on the target table will be activated for each row deletion. In a RSEM output table I have 64 columns and 24833 rows. I would like to filter the dataset to remove rows whose values are 1) between 3 and -3 AND 2) do not appear in 4 or more columns after fulfilling condition #1. I have a table in R. It’s used to divide a column into different groups, so that you can evaluate a calculation for each group, instead of the entire column. Press the Delete dropdown on the Home tab and select Delete Sheet Rows. Select “Delete. 06/04/2017; 28 minutes to read; In this article. To make a read-only copy of a DataTable (optionally filtered to show specific values, rows, or columns), create a DataView. Click Remove Duplicates. If you work with lots of data in Google Docs, this will help you stay under the 2 million cell limit in Google Sheets by removing unused cells. After fixing the original IDs, remove the extra column or repeat the whole process as needed — it is not clear what kind of pattern your IDs must match. What is needed is a hash function H(z,n) – where z is the key being hashed and n is the number of allowed hash values – such that H(z,n + 1) = H(z,n) with probability close to n/(n + 1). Summary: in this tutorial, you will learn various ways to delete duplicate rows in MySQL. If you import an 8. Also covered is the difference between row numbers (which are a part of the spreadsheet) and ID variables (which are a part of the dataset and act as case identifiers). I've got a data. One typically drops columns, if the columns are not needed for further analysis. Function to remove rows containing NAs from a data vector or matrix. These correlations were computed using twin modelling in R. To identify the duplicate folder, click one of the duplicate folders on the left pane. The easiest way to treat the outliers in Azure ML is to use the Clip Values module. Specifically using dplyr package, for example. Then, you just rearrange the columns. Step 2, Hover the mouse over the border of the selected area. It just names the column as 'colName' and not 'weekDay'. I have tried: unique() and replicated(), but I do not have much success. Note that the ^ and $ surrounding alpha are there to ensure that the entire string matches. I've got a data. In this case, you might wish to find where the coders agreed, or where they disagreed. For example, I can’t easily filter the spreadsheet for vendors in CA. Remove duplicate rows in a data frame. If you’re VDI admin has created a bunch of computers with the same MAC, we need to delete them from SCCM. Written by Peter Rosenmai on 8 Dec 2013. Hopefully these might help! https://stackoverflow. > > How to automatically identify and retain only one column (in this example column x) among the identical columns besides other non-identical columns (viz. Next, in Home tab click Remove Rows, then click Remove Blank Rows. Insert a New Row or Column - Excel Keyboard Shortcut Lately, I have been trying to use as many Excel keyboard shortcuts as I can (not only for productivity, but for ergonomic reasons). Example: Point_counts Psi_Sp 1 A 0 2 A 1. This will leave your table apparently empty – but the rows you want are still there, just hidden by the filter tool. This article is contributed by Sahil Rajput. How to Delete Your Usage History Tracks in Windows. Let's say you are working with the built-in data set airquality and need to remove rows where the ozone is NA (also called null, blank or missing). This option is the "Data Tools" section of the Data toolbar near the top of the Excel window. Example: Point_counts Psi_Sp 1 A 0 2 A 1. I think you're confused about how subsetting works in R. I need number part of the element. Note: Some shortcuts might not work for all languages or keyboards. To follow using our example, download Find Duplicates. I took Puzzle. duplicated: Determine Duplicate Elements Description Usage Arguments Details Value Warning References See Also Examples Description. This tutorial includes various examples and practice questions to make you familiar with the package. Find Duplicate Rows based on selected columns. 9 Challenges on Data Merging and Subsetting in R & Python (for beginners) Beginner Business Analytics Data Exploration Listicle Programming Python R Structured Data syed danish , June 12, 2016. Each element is a string that contains some characters and some numbers. The name of the two variables are in column depVar1 and depVar2. Also counts the number of rows remaining, the number of rows deleted, and in the case of a matrix the number of columns. If more than one of the COLUMN_KEY values applies to a given column of a table, COLUMN_KEY displays the one with the highest priority, in the order PRI , UNI , MUL. ” The rules are the same if you’re deleting a column from the “Set Up Employee Data” tab. To add on, it may not be the case that we want to groupBy all columns other than the column(s) in aggregate function i. A hash function that will relocate the minimum number of records when the table is resized is desirable. Restrictions on the merge_update_clause This clause is subject to the following restrictions:. Determine which columns contain the values that may be duplicated. unique(x[,1]) will return the set of unique values in the first column. Removing Duplicate Rows Based on a Subset of Columns Problem Data needs to be cleansed from a table based on duplicate values that are present…. Take a sequence of vector, matrix or data frames arguments and combine by columns or rows, respectively. If the default column order will not work, you can specify a column list or use JSONPath expressions to map source data fields to the target columns. Writing an update statement for all these columns would be hard, no? writing a delete and insert statement is far more easier + there is a chance columns have to be added, so this means we always have to update our update statement, no? What would you do?. Append will not remove the duplicate rows in the result. column-list must have the same number of columns as the select list in query-1. Extract all rows from a range that meet criteria in one column [Excel defined Table] The image above shows a dataset converted to an Excel defined Table, a number filter has been applied to the third column in the table. Instead, I want to have the Company names display vertically in Column A and the Data Attributes display horizontally in Row 1. If you wish to be more nuanced about your removal, select a range of cells, and then use Clear Rules from Selected Cells. For example we may wan to delete duplicate rows in data or we may want to delete rows based on certain condition. ly/2MU1PvK Category. Remove duplicate rows based on all columns: my_data %>% distinct(). I need to remove duplicates based on email address with the following conditions: The row with the latest login date must be selected. I've found that on occasion I end up with columns that have duplicate values, and I'd like to remove the duplicate columns.