search for: tp16142263p16145133

Displaying 1 result from an estimated 1 matches for "tp16142263p16145133".

2008 Mar 19
1
running balance down a dataframe referring back to previous row
Good morning, I've searched high and low and I've tried many different ways of doing this, but I can't seem to get it to work. I'm looking for a way of vectorising a "running balance"; i.e. the value in the first row of the dataframe is zero, and following rows add to this running balance. This is easy to write in a loop, but I can't seem to get it working in