**Find duplicate rows base on combination of two columns**

3/12/2014 · Re: Find duplicate rows base on combination of two columns / replicating sumproduct formul Still no quite there yet 1) It only highlights the second/last occurrence of the duplicate, I need to highlight both first and second, pairs of duplicate rows (all duplicate rows if more than two).... I am trying to identify the second duplicate combinations of cells across two (or more) columns. Complicating matters, the order of combinations varies. Complicating matters, the order of combinations varies.

**How to compare two columns with other two columns for**

But I want to create a list of unique combinations. I have used the combinations() function from the arrangements package to create the list of unique combinations, and I have done that for toppings. I am struggling to figure out how to incorporate crusts.... How to find rows with duplicate columns in Excel?-2. highlighting duplicate rows in excel by VBA macro. 0. Identify and delete duplicate values in single row . 0. How to identify duplicate combinations of two values in random order. 1. Highlight Duplicate Rows (not cells) 0. how to remove Dupicates in particular cell in a excel. 0. How to remove duplicate zeroes in multiple rows and columns in

**Finding duplicates based on multiple columns AND deleting**

Subject: [R] Combinations of values in two columns I have data that looks like this: Friend1, Friend2 A, B A, C B, A C, D And I'd like to generate some more rows and another column. In the new column I'd like to add a 1 beside all the existing rows. That bit's easy enough. Then I'd like to add rows for all the possible directed combinations of rows not included in the existing data. So for the how to get a pink house in penguin oasis 7/02/2017 · Re: Find Duplicate Combinations Across Multiple Columns Since this is a formula problem, might be easier if If you upload your sheet to google sheets and use the add-ons feature and add Formula Helper.

**Duplicates between two columns combinations MrExcel**

22/01/2016 · I am having trouble identifying duplicate records in my data. The duplicates are for a combination of two fields. The duplicates are for a combination of two fields. For example, I have a date (dimension) and an amount (measure). how to go to google extensions on find Remove duplicates column combinations from a dataframe in R 4 answers I have a table with three columns: Surname, First Name and Address. I'm looking to match up families by searching for people with the same surname AND the same address.

## How long can it take?

### select Find duplicates for combination of two columns in

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## How To Find Duplicate Combinations In Two Columns In R

In this case, row 1 and row 4 are "duplicates" in the sense that b-a is the same as b-a. I know how to find unique of columns 1 and 2 but I would find each row unique under this approach. r unique plyr dplyr

- You can always try simply passing those first two columns to the function duplicated: duplicated(dat[,1:2]) assuming your data frame is called dat.
- 7/02/2017 · Find Duplicate Combinations Across Multiple Columns Hi, I'm trying to highlight items as duplicates only if all three columns in a single row have a match. I made up a fake example that shows the basics of what I need.
- 11/03/2012 · Maybe you don't seen a duplicate for a certain combination of this columns, but you could encounter one in the next batch. If someone gave you the data, but not any description of the data, you are in for a difficult guessing game.
- Counting number of rows with two criteria in dataframe Hi R-users, I'm trying to find an elegant way to count the number of rows in a dataframe with a unique combination of 2 values in the dataframe.