*log using clogg-rc2.log, replace

input f1-f4
44  11  38  62
59  41 147 293
23  11  13  27
27   8  16  27
258 57 105 110   
end

input r1-r4
1 1 1 1  
2 2 2 2  
3 3 3 3  
4 4 4 4
5 5 5 5

input c1-c4
1 2 3 4  
1 2 3 4  
1 2 3 4  
1 2 3 4  
1 2 3 4  

stack f1 r1 c1 f2 r2 c2 f3 r3 c3 f4 r4 c4, into(freq row column) clear

tab row column, sum(freq) nost nofreq

xi:glm freq i.row i.column , family(poisson)

rc2, row(row) col(column)