How can I edit the space between a bars in a twoway graph?

[Andres Henriquez]

Hi!
How can I edit the space between a bars in a twoway graph?
I'm using this, but don't know how to edit the space in between:

twoway (bar Aprobacióndelgobierno PresentaAC, barw(0.25)) || (rcap yu y1 PresentaAC), legend(order(1 "Aprobación Promedio" 2 "IC")) xlabel(0 "No" 1 "Sí") ytitle(`"Aprobación de Gobierno (%)"') ylabel(, angle(horizontal))

Thank you!

[Nick Cox]

Increase the bar width, and the spacing will decrease, and vice versa.

[Andres Henriquez]

Can I do it without changing the bar width? It is too wide

[Nick Cox]

I don’t know another way to do it but why do you think you need one? The x axis shows 0 and 1 so try any value of barw() between say 0.5 and 0.9.

[Andres Henriquez]

If I do it more wide is to big

[Nick Cox]

Choose any number that gets the desired result. Sorry, but what's the difficulty here? Let me try Spanish:

entre 0,5 y 0,9

[Nick Cox]

Effect bars with error bars (e.g. confidence intervals) are often known (negatively) as dynamite plots, detonator plots, or plunger plots -- and perhaps other names too.

For propaganda against their use, see e.g.

https://biostat.app.vumc.org/wiki/pu...de/Poster3.pdf

https://simplystatistics.org/posts/2...lots-must-die/

https://warwick.ac.uk/fac/sci/wdsi/e...es/plunger.pdf


Some technique specific to your question:

sysuse auto, clear

bysort foreign: gen count = _N

levelsof count, local(levels)

forval j = 1/9 {
    local w : di %02.1f `j'/10
    twoway bar count foreign, base(0) barw(`w') subtitle(bar width `w') ///
    yla(0 `levels', glc(red) glp(solid)) name(G`j', replace) xla(0 "Domestic" 1 "Foreign")
    local graphs `graphs' G`j'
}

graph combine `graphs'

[Andres Henriquez]

Thank you Nick! Do you know how can I replace the bars (that shows the average for each case) with red dots?

This is my code:
*Box plot with CI
collapse (mean) Aprobacióndelgobierno (semean) sd = Aprobacióndelgobierno, by(PresentaAC)
gen yu = Aprobacióndelgobierno + 1.96*sd
gen y1 = Aprobacióndelgobierno - 1.96*sd

twoway (bar Aprobacióndelgobierno PresentaAC, barw(0.15)) || (rcap yu y1 PresentaAC), legend(order(1 "Aprobación Promedio" 2 "IC")) xlabel(0 "No" 1 "Sí") ytitle(`"Aprobación de Gobierno (%)"') ylabel(, angle(horizontal))
graph export 1_1_Apro_y_presenta_o_no_AC_con_test.png, replace

[Nick Cox]

#8 is a duplicate post. Please follow https://www.statalist.org/forums/for...-show-averages if interested.