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EdoardoGuestFebruary 10, 2020 at 7:22 pmPost count: 118
Good morning professor Shah, I’m trying to combine the outputs of a ttest plus a summarize.
using a piece of your code found on a Statalist post, I tried to replicate something like the following:ttest mean_age, by(stupd) *Get the relevant statistics loc obs1 = `r(N_1)' loc obs2 = `r(N_2)' loc mean1 = `r(mu_1)' loc mean2 = `r(mu_2)' loc dif = `mean1'  `mean2' loc stde = `r(se)' loc pval = `r(p)' dis `dif' sum mean_age if stupd == 0 loc max1 = `r(max)' loc min1 = `r(min)' sum mean_age if stupd == 1 loc max2 = `r(max)' loc min2 = `r(min)' *Write these with asdoc using the row option asdoc, row(`Age', `obs1', `obs2', `min1', `max1', `min2', `max2', `mean1', `mean2', `dif', `stde', `pval') replace
unfortunately, the output is an empty table. could you point me the mistakes I’m making?
Thanks a lot in advance
 This topic was modified 1 year, 8 months ago by Attaullah Shah.
 This topic was modified 1 year, 8 months ago by Attaullah Shah.
 This topic was modified 1 year, 8 months ago by Attaullah Shah.
 This topic was modified 1 year, 8 months ago by Attaullah Shah.
The mistake you are making is the declaration of the Age text as a macro, by enclosing it in the macro symbols. In fact, Age is just a text, it is not declared as a local macro with the loc command. The correct is given below.
clear set obs 100 gen mean_age = int(uniform() * 100) gen stupd = mod(_n,2) ttest mean_age, by(stupd) *Get the relevant statistics loc obs1 = `r(N_1)' loc obs2 = `r(N_2)' loc mean1 = `r(mu_1)' loc mean2 = `r(mu_2)' loc dif = `mean1'  `mean2' loc stde = `r(se)' loc pval = `r(p)' dis `dif' sum mean_age if stupd == 0 loc max1 = `r(max)' loc min1 = `r(min)' sum mean_age if stupd == 1 loc max2 = `r(max)' loc min2 = `r(min)' *Write these with asdoc using the row option asdoc, row(Age, `obs1', `obs2', `min1', `max1', `min2', `max2', `mean1', `mean2', `dif', `stde', `pval') replace
 This reply was modified 1 year, 8 months ago by Attaullah Shah.
 This reply was modified 1 year, 8 months ago by Attaullah Shah.

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