st: Selecting particular data for bar graphs

[Gilad Isaacs <222521@soas.ac.uk>]

Hi,

I am relatively new to Stata so hopefully this is not too elementary a question.

I have a data set, it consists of 42 observations from the years 1960
to 2012 for 10 different variables, each of which are a country. The
data is each country's interest rate for that year.

I want to create a bar graph. I want the graph to have four sets of
bars. Each set contains a bar for each country and shows the average
interest rate for that decade. So the first set is 1960 - 1969, and
shows the average for each country over that period, the second set
shows 1970 - 1979, and has one bar for each country, etc.

I don't see such an option using the "graph bar" command. Should I
create the averages separately and then graph those? If so do I need
to create the averages in another file and then use that file?

Thanks very much,

Gilad Isaacs
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