So we can use filter function in B column to filter them out. Step 3: We can see that for the duplicate values, they are marked with 1 in B column. Due to some values are duplicate in the list, you can see for some values IF function returns 0, and for the others returns 1.
So B2 to B9 will be filled by this formula. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company. Step 2: Drag the fill handle down to fill the other cells. Humans have for long been in the process of devising newer ways that are more efficient to manipulate data. For example, A2 value Ada only appears once in the list, so COUNTIF($A$2:$A$9,A2) will return 1 (so COUNTIF($A$2:$A$9,A2)=1 is true), so IF function will return 0 in B2. Analysis of huge amounts of data is very crucial. COUNTIF function is used for counting the number of A2 from range $A$2:$A$9, and IF function is used for returning True of False value. In this formula we use IF and COUNTIF functions together. In the Remove Duplicates dialog box, ensure all the listed column headings and the option labeled My data has headers are checked and press OK. Select Data (tab) -> Data Tools (group) -> Remove Duplicates. Step 1: In cell B2 enter the formula =IF(COUNTIF($A$2:$A$9,A2)=1,0,1). To remove the duplicate rows from the copy of the data set: Click in the newly copied data set. If you want to remove both duplicate values like ‘Amy’ ‘Cathy’, you can follow below steps. The IF function then compares if the number of repetitions is greater than one, in order to mark as duplicates. It then returns the number of repetitions until that particular row. Original List: Updated List after Remove Duplicates: Here, the COUNTIF function searches each Cell in the Data Range of Column A for duplicates.
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