Stacked bar graph per groups

[Giorgio Piccitto]

Dear all,

I would like to realize a stacked graph bar showing the different values of each category of my variable of interest.

I provide you some fictious data that resemble mine:

* Example generated by -dataex-. To install: ssc install dataex
clear
input float cumu byte n
17.357025 1
 27.18098 2
  29.4684 3
  29.8549 4
end

I tried the following:

tw (bar cumu n if n == 1) (bar cumu n if n == 3) (bar cumu n if n == 2) (bar cumu n if n == 1)

but then I obtain 4 different bars (instead of stacked one).

Do you have any suggestion?

Thanks a lot, best, G

[Nick Cox]

help graph bar

[Red Owl]

I believe this is what you want:

graph bar cumu, asyvars stack over(n)

Red Owl
Stata/IC 16.0 (Windows 10, 64-bit)

Note: Crossed with #2

[Giorgio Piccitto]

Dear Red and Nix,

thanks for your suggestions. Red, your syntax is what I would need, but on the Y I would like to obtain not the percentage but the absolute value (in this case 29.8). Is there any option in this sense?

Thanks a lot, G

[Red Owl]

Just add -per- as an option:

graph bar cumu, per asyvars stack over(n)

Red Owl
Stata/IC 16.0 (Windows 10, 64-bit)

[Giorgio Piccitto]

Dear Red, with per as option the graph still shows the percentage (and not the absolute values) on the Y axis. Did I make something wrong?

[Giorgio Piccitto]

Ok, probably I solved, I have to build the graph with the frequency associated to each category (and not the cumulative one).

Thanks a lot, best, G