Hi all

I have used the command

estpost sum
esttab using nsw_12_summary_all.csv, cells("mean")

to get the summary statistics results in excel or CVS formate.
but when I am using the command

estpost xtsum

I am getting the following error message, what could be the issue, please
invalid subcommand





Code:
* Example generated by -dataex-. To install: ssc install dataex
clear
input float(id year race sex wages unemp region hours marr ed age hourly ex ex2 married female)
3010 85 2 2  5200 2 1  400 1 14 28  2.564949  8  64 0 1
3010 86 2 2 10000 2 1 1972 1 14 28  1.623537  8  64 0 1
3010 87 2 2 15000 2 1 3444 1 14 30 1.4714166 10 100 0 1
3010 88 2 2 10000 2 3 2634 1 14 31 1.3340815 11 121 0 1
3010 89 2 2 20000 2 3 2042 1 14 32 2.2818027 12 144 0 1
end

Regards