Excel Group Rows and Concatenate Each Value of a Specific Column into a String
Problem description & analysis
We have an Excel data as follows:
Session |
FirstName |
LastName |
Address |
|
1 |
Bob |
Smith |
bob@1.com |
Main Street |
2 |
Bob |
Smith |
bob@1.com |
Main Street |
4 |
Bob |
Smith |
bob@1.com |
Main Street |
1 |
Frank |
Jones |
Frank@2.com |
2nd Street |
2 |
Frank |
Jones |
Frank@2.com |
2nd Street |
3 |
Frank |
Jones |
Frank@2.com |
2nd Street |
4 |
Frank |
Jones |
Frank@2.com |
2nd Street |
1 |
Henry |
Andrews |
henry@3.com |
3rd Street |
2 |
Henry |
Andrews |
henry@3.com |
3rd Street |
We are trying to group the file by Email and concatenate each Session value into a string by comma. Below is the desired result:
FirstName |
LastName |
Address |
Session |
|
Frank@2.com |
Frank |
Jones |
2nd Street |
1,2,3,4 |
bob@1.com |
Bob |
Smith |
Main Street |
1,2,4 |
henry@3.com |
Henry |
Andrews |
3rd Street |
1,2 |
Solution
Load SPL XLL plug-in
Enter the following formula in a blank cell
=spl("=E(?).group(Email;FirstName,LastName,Address,~.(int(Session)).concat@c():Session)",A1:E10)
As picture:
Return the results:
Explanation:
Group the table by “Email”, retain all columns except for “Session”, and convert each “Session” value into a comma-separated string.
https://stackoverflow.com/questions/63623624/merge-excel-rows-based-on-single-field
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