How to select and repalce duplicates with blanks from one column based on duplicates in another column?
Lets say I have two column data. First column with English alphabets appearing sequentially in Capital case (A--> Z), with each alphabet appearing say 7 times before the next. The second column has the same repetition but in small case (a--z). I want keep only one entry for the small case letter in the second column for each Capital letter in column 1. Rest of the entries in second column I want t...