https://drive.google.com/file/d/1iof...ew?usp=sharing

Code:
clear
input var1 str5 var2 var3 var4
1 gram 3 5
2 gram 6 5
1 maize 13 8
3 maize 3 4
2 gram 4 2
1 wheat 4 6
1 wheat 3 6
2 gram 4 4
3 wheat 5 9
1 wheat 3 6
2 wheat 1 2
2 gram 12 5
3 nuts 2 3
1 nuts 2 3.5
end

egen show1 = mean(var3), by(var1 var2)
egen show2 = total(var4), by(var1 var2)

tabdisp var2 var1, c(show?)

*Error
asdoc tabdisp var2 var1, c(show?)