Apportioning data into new columns
3216
Understanding PIVOT function in T-SQL
21821
Reshaping multiple sets of measurement columns (wide format) into single columns (long format)
96906
Calculating statistics on subsets of data
26176
Split itemize into multiple columns
151672
Summing values if same second column value
144137
Add max value to a new column in R
79791
How to split numbers into columns with negative and positive values, without empty cells?
138925
How to convert multiple duplicate columns as single row with appreciated values
100371
Creating a histogram using aggregated data
100742
Pivot rows to columns without aggregate
52175
Adding new column to existing DataFrame in Python pandas
26294
Combine two columns into a list of all possible combinations of entries
26452
Summing data from column in the Attribute table
29248
How to merge columns in a table?
10182
Combining values in one column (or part) when values in another column (or part) match
7714
Transpose rows and columns with no aggregate
62742
Making row values into column values -- SQL PIVOT