I want to run fixed effects logit model and tell stata that the observations within each firm is not Independent. When i run:
Code:

tabulate Industry, generate (g)
Code:
clogit Collateraldummy  Numberofemployees Corporationdummy Totalassets Grossprofit Profitability Leverage Loansize Maturity GDPGrowth g1 g3 Duration Housebank, vce(cluster Banks)
the error: group() required
r(198); appears. My data is:
input float Collateraldummy byte Numberofemployees float Corporationdummy long(Totalassets Grossprofit) double(Profitability Leverage) long Loansize byte Maturity str14 Industry double Duration byte Housebank str6 Firm float Banks int Time
1 28 1 1500 1600000 .0625 .95 475000 10 "Other Industry" 0 0 "Firm A" 7 2018
0 28 1 1500 1600000 .0625 .95 475000 10 "Other Industry" 0 0 "Firm A" 1 2018
1 15 1 500 800000 .0875 .5 150000 10 "Other Industry" 5.75 1 "Firm B" 8 2018
1 15 1 500 800000 .0875 .5 30000 1 "Other Industry" 5.75 1 "Firm B" 8 2018
1 15 1 500 800000 .0875 .5 20000 1 "Other Industry" 6 1 "Firm B" 8 2018
1 10 0 387 815000 .0343558282208589 .72 80000 1 "Handcraft" 10 1 "Firm C" 8 2016
1 10 0 415 830000 .05060240963855422 .77 80000 1 "Handcraft" 11 1 "Firm C" 8 2017
1 10 0 400 850000 .03529411764705882 .9 120000 1 "Handcraft" 12 1 "Firm C" 8 2018
0 10 0 415 830000 .05060240963855422 .77 60000 6 "Handcraft" 1 0 "Firm C" 7 2017
1 25 1 800 3500000 .03428571428571429 .2 100000 1 "Other Industry" 4.666666666666667 0 "Firm D" 3 2018
1 25 1 800 3500000 .03428571428571429 .2 620000 20 "Other Industry" 0 0 "Firm D" 6 2018
1 25 1 800 3500000 .03428571428571429 .2 230000 3 "Other Industry" 5 0 "Firm D" 5 2018
0 8 0 130 300000 .23333333333333334 .4 50000 10 "Gastronomic" 4.75 1 "Firm E" 1 2018
0 3 0 60 190000 0 0 20000 10 "Gastronomic" 0 1 "Firm E" 1 2012
0 8 0 130 300000 .23333333333333334 .4 15000 3 "Gastronomic" 3 0 "Firm E" 3 2016
1 12 1 450 800000 .08125 .26 50000 10 "Handcraft" 10.083333333333334 0 "Firm F" 8 2018
1 12 1 462 830000 .0819277108433735 .32 125000 5 "Handcraft" 8 0 "Firm F" 8 2016
1 12 1 438 755000 .07549668874172186 .3 100000 5 "Handcraft" 0 0 "Firm F" 4 2017
1 12 1 450 800000 .08125 .26 15000 1 "Handcraft" 10 0 "Firm F" 8 2018
1 12 1 438 755000 .07549668874172186 .3 15000 1 "Handcraft" 9 0 "Firm F" 8 2017
1 12 1 462 830000 .0819277108433735 .32 15000 1 "Handcraft" 8 0 "Firm F" 8 2016
1 12 1 438 755000 .07549668874172186 .3 120000 1 "Handcraft" 10 0 "Firm F" 5 2017
1 12 1 462 830000 .0819277108433735 .32 120000 1 "Handcraft" 9 0 "Firm F" 5 2016
0 12 1 450 800000 .08125 .26 10000 1 "Handcraft" 10.583333333333334 0 "Firm F" 5 2018
1 10 1 320 1000000 .08 .55 70000 6 "Gastronomic" 7 0 "Firm G" 5 2018
1 10 1 320 1000000 .08 .55 100000 5 "Gastronomic" 5.166666666666667 0 "Firm G" 4 2018
1 12 1 277 800000 .09375 .6 150000 4 "Gastronomic" 5.083333333333333 1 "Firm H" 5 2018
1 25 1 720 1800000 .11388888888888889 .45 350000 3 "Gastronomic" 12 1 "Firm I" 5 2016
0 25 1 695 2000000 .105 .45 300000 6 "Gastronomic" 14 1 "Firm I" 5 2018
1 3 1 248 500000 .11 .44 30000 4 "Handcraft" 0 0 "Firm J" 3 2015
1 3 1 250 600000 .08333333333333333 .5 50000 5 "Handcraft" 1.33 0 "Firm J" 4 2016
0 3 1 248 500000 .11 .44 8000 1 "Handcraft" 0 0 "Firm J" 7 2015
0 3 1 250 600000 .08333333333333333 .5 8000 1 "Handcraft" 1 0 "Firm J" 7 2016
0 3 1 250 600000 .08333333333333333 .5 10000 3 "Handcraft" 1.083 0 "Firm J" 9 2016
1 25 1 462 1750000 .022857142857142857 .45 100000 1 "Handcraft" 0 0 "Firm K" 9 2016
1 29 1 450 1900000 .027105263157894736 .5 200000 3 "Handcraft" .5833333333333334 0 "Firm K" 9 2017
1 29 1 450 1900000 .027105263157894736 .5 100000 1 "Handcraft" 1 0 "Firm K" 9 2017
1 25 1 462 1750000 .022857142857142857 .45 250000 5 "Handcraft" 0 0 "Firm K" 4 2016
1 29 1 440 2000000 .025 .5 200000 5 "Handcraft" 1.4166666666666667 0 "Firm K" 4 2018
1 9 1 360 415000 .18795180722891566 .25 15000 1 "Handcraft" 5 1 "Firm L" 7 2015
1 9 1 350 435000 .18620689655172415 .25 25000 1 "Handcraft" 6 1 "Firm L" 7 2016
1 9 1 345 430000 .18604651162790697 .3 15000 1 "Handcraft" 7 1 "Firm L" 7 2017
1 14 0 1000 1450000 .07931034482758621 .6 350000 7 "Gastronomic" 15 1 "Firm M" 7 2013
0 15 0 1050 1500000 .06666666666666667 .7 300000 10 "Gastronomic" 20 1 "Firm M" 7 2018
1 14 0 1000 1450000 .07931034482758621 .6 150000 1 "Gastronomic" 15 1 "Firm M" 7 2013
1 15 0 970 1400000 .06785714285714285 .7 150000 1 "Gastronomic" 16.5 1 "Firm M" 7 2014
1 15 0 960 1475000 .06779661016949153 .7 150000 1 "Gastronomic" 17.75 1 "Firm M" 7 2015
1 3 0 350 400000 .125 .5 20000 1 "Handcraft" 7 1 "Firm N" 6 2018
1 3 0 350 400000 .125 .5 15000 5 "Handcraft" 7 1 "Firm N" 6 2018
0 25 1 500 1100000 .18181818181818182 .8 150000 10 "Handcraft" 15 1 "Firm O" 5 2018
0 25 1 500 1100000 .18181818181818182 .8 400000 15 "Handcraft" 15 1 "Firm O" 5 2018
0 25 1 500 1100000 .18181818181818182 .8 50000 1 "Handcraft" 15 1 "Firm O" 5 2018
0 25 0 620 2000000 .15 .2 150000 10 "Handcraft" 20 1 "Firm P" 5 2018
0 25 0 620 2000000 .15 .2 50000 1 "Handcraft" 20 1 "Firm P" 5 2018
0 12 1 380 1500000 .06666666666666667 .3 25000 5 "Handcraft" 15 1 "Firm Q" 5 2018
1 7 0 400 950000 .1368421052631579 .25 300000 5 "Handcraft" 3 1 "Firm R" 7 2015
0 9 0 425 1000000 .123 .2 250000 7 "Handcraft" 6 1 "Firm R" 7 2018
1 7 0 400 950000 .1368421052631579 .25 50000 1 "Handcraft" 3 1 "Firm R" 7 2015
1 8 0 415 975000 .14358974358974358 .2 80000 1 "Handcraft" 4.333333333333333 1 "Firm R" 7 2016
1 9 0 410 935000 .13368983957219252 .2 80000 1 "Handcraft" 5.333333333333333 1 "Firm R" 7 2017
1 9 0 425 1000000 .123 .2 80000 1 "Handcraft" 6 1 "Firm R" 7 2018
1 6 0 370 427000 .14285714285714285 .42 80000 5 "Handcraft" 23 1 "Firm S" 5 2016
1 6 0 370 427000 .14285714285714285 .42 30000 1 "Handcraft" 8 0 "Firm S" 6 2016
1 6 0 375 430000 .13953488372093023 .45 45000 1 "Handcraft" 8.75 0 "Firm S" 6 2017
0 6 0 370 427000 .14285714285714285 .42 80000 5 "Handcraft" 0 0 "Firm S" 2 2016
0 28 1 3500 2875000 .05495652173913043 .38 500000 10 "Other Industry" 14 1 "Firm T" 5 2012
0 30 1 3625 3000000 .05 .4 400000 7 "Other Industry" 4 0 "Firm T" 3 2017
1 30 1 3625 3000000 .05 .4 60000 2 "Other Industry" 5 0 "Firm T" 4 2017
1 30 1 3625 3000000 .05 .4 50000 2 "Other Industry" .16666666666666666 0 "Firm T" 4 2017
0 15 1 3100 2600000 .06538461538461539 .5 150000 3 "Other Industry" 5 0 "Firm U" 3 2018
0 15 1 3100 2600000 .06538461538461539 .5 130000 4 "Other Industry" 4 0 "Firm U" 4 2018
0 15 1 3100 2600000 .06538461538461539 .5 50000 2 "Other Industry" 4 0 "Firm U" 4 2018
1 35 1 2650 2300000 .09 .21 300000 5 "Other Industry" 22 1 "Firm V" 7 2014
1 35 1 2710 2425000 .09278350515463918 .28 250000 7 "Other Industry" 23 1 "Firm V" 7 2015
0 33 1 2665 2400000 .0875 .25 50000 9 "Other Industry" 25.25 1 "Firm V" 7 2017
0 33 1 2700 2350000 .08297872340425531 .25 80000 10 "Other Industry" 26.333333333333332 1 "Firm V" 7 2018
1 34 1 2710 2425000 .09278350515463918 .28 80000 1 "Other Industry" 23.166666666666668 1 "Firm V" 7 2015
1 26 1 1980 1650000 .0893939393939394 .26 325000 10 "Handcraft" 16 1 "Firm W" 7 2015
0 26 1 2050 1700000 .08941176470588236 .31 150000 8 "Handcraft" 18.333333333333332 1 "Firm W" 7 2017
0 26 1 1930 1750000 .08857142857142856 .33 220000 5 "Handcraft" 19.166666666666668 1 "Firm W" 7 2018
0 26 1 2050 1700000 .08941176470588236 .31 80000 1 "Handcraft" 18.166666666666668 1 "Firm W" 7 2017
0 . 0 . . . . . . "" . . "" . .
end
[/CODE]
------------------ copy up to and including the previous line ------------------
I hope someone can assist.