search for: kilali

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

2008 Aug 27
3
Calculating total observations based on combinations of variable values
...South Asia Western (Province) Colombo 1995 7 15 Sri Lanka South Asia Northern (Province) Mankulam 1995 7 23 Sri Lanka South Asia Northern (Province) Point Pedro 1995 9 25 Sri Lanka South Asia Northern (Province) Kilali ... What I would like to do is to calculate the total number of observations by unique combinations of the values of (some of the) variables above. For example, I would like to know how many observations (i.e. rows) have the values YEAR==1994 and MONTH==1. In the end, I'd like a table that l...