st: "unrecognized command: merge" when reshaping

["Dan Rigby" <dan.rigby@manchester.ac.uk>]

When I run these commands I get an error message. The data file  
is 2000 obs and I want to reshape it into 50 x 50 after the density  
plot: 


set matsize 800 
kdens2 var6 var7 , saving(c:/testdan2, replace) 
clear 
use c:/testdan2 
reshape wide d _var7 _var6, i(_i) j(_j) 

the error reads: 
unrecognized command:  merge 
r(199) 

there is a similar question from last year in the statalist archive but  
I can't see an answer to it. 

Any advice appreciated.

thanks, 
dan rigby 




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