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st: generating one twoway graph using by
I am trying to make a line plot of many individuals values over time
in one graph. I am hoping that there is someway to shortcut around the
syntax of -twoway- using -by- such that I do not need to specify all
individuals (I have nearly 200).
I started with
twoway (line ivalue idate, by(PID))
but that gave 200 individual graphs.
twoway (line ivalue idate), by(PID)
but that gave the same thing.
I am hoping to avoid needing to write
twoway (line ivalue idate if PID==1) (line ivalue idate if PID==2) ......
Should I stop hopeing, and start writing?
Thanks in Advance,
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