Dear all, I have a question about the command reghdfe(version 6).
What is the difference between the two codes below?
When should I use the group and individual option?What is the model behind the first code which contains group and individual option?
Any help will be appreciated.
What is the difference between the two codes below?
Code:
* Example generated by -dataex-. For more info, type help dataex clear input float(lab_size funding) int(year patent_id) long inventor_id float citations byte c double(w1 w2) float age 4.099 2.93 40 1 7 5.819243 1 3.9895716539976958 4 29 4.099 2.93 40 1 8 5.819243 1 3.9895716539976958 4 31 4.099 2.93 40 1 10 5.819243 1 3.9895716539976958 4 55 4.099 2.93 40 1 12 5.819243 1 3.9895716539976958 4 36 4.099 2.93 40 1 13 5.819243 1 3.9895716539976958 4 31 4.099 2.93 40 1 14 5.819243 1 3.9895716539976958 4 45 4.099 2.93 40 1 15 5.819243 1 3.9895716539976958 4 51 4.099 2.93 40 1 19 5.819243 1 3.9895716539976958 4 37 4.749 3.35 40 2 7 5.562209 1 9.495713551788219 10 29 3.799 2.64 35 3 10 4.793712 1 7.383339990592751 8 50 3.799 2.64 35 3 13 4.793712 1 7.383339990592751 8 26 3.799 2.64 35 3 16 4.793712 1 7.383339990592751 8 31 3.799 2.64 35 3 18 4.793712 1 7.383339990592751 8 25 3.799 2.64 35 3 20 4.793712 1 7.383339990592751 8 49 4.816 3.25 40 4 6 5.878152 1 6.771600049640952 7 41 4.816 3.25 40 4 7 5.878152 1 6.771600049640952 7 29 4.816 3.25 40 4 8 5.878152 1 6.771600049640952 7 31 4.816 3.25 40 4 12 5.878152 1 6.771600049640952 7 36 4.816 3.25 40 4 14 5.878152 1 6.771600049640952 7 45 4.816 3.25 40 4 18 5.878152 1 6.771600049640952 7 30 7.827 4.08 43 5 4 4.883052 1 6.387424819273454 7 31 7.827 4.08 43 5 17 4.883052 1 6.387424819273454 7 60 5.788 3.67 43 6 3 6.130183 1 7.002765367473977 8 55 5.788 3.67 43 6 5 6.130183 1 7.002765367473977 8 43 5.788 3.67 43 6 6 6.130183 1 7.002765367473977 8 44 5.788 3.67 43 6 7 6.130183 1 7.002765367473977 8 32 5.788 3.67 43 6 11 6.130183 1 7.002765367473977 8 59 5.788 3.67 43 6 14 6.130183 1 7.002765367473977 8 48 5.788 3.67 43 6 16 6.130183 1 7.002765367473977 8 39 5.788 3.67 43 6 20 6.130183 1 7.002765367473977 8 57 4.453 2.23 34 7 1 3.470443 1 7.147011498658941 8 26 4.453 2.23 34 7 2 3.470443 1 7.147011498658941 8 27 4.453 2.23 34 7 4 3.470443 1 7.147011498658941 8 22 4.453 2.23 34 7 6 3.470443 1 7.147011498658941 8 35 4.453 2.23 34 7 11 3.470443 1 7.147011498658941 8 50 4.453 2.23 34 7 13 3.470443 1 7.147011498658941 8 25 4.453 2.23 34 7 14 3.470443 1 7.147011498658941 8 39 4.453 2.23 34 7 15 3.470443 1 7.147011498658941 8 45 4.453 2.23 34 7 16 3.470443 1 7.147011498658941 8 30 5.189 3.28 42 8 3 5.726134 1 7.373801426466477 8 54 5.189 3.28 42 8 6 5.726134 1 7.373801426466477 8 43 5.189 3.28 42 8 7 5.726134 1 7.373801426466477 8 31 5.189 3.28 42 8 11 5.726134 1 7.373801426466477 8 58 5.189 3.28 42 8 14 5.726134 1 7.373801426466477 8 47 5.189 3.28 42 8 18 5.726134 1 7.373801426466477 8 32 10.372 3.88 43 9 8 1.3354535 1 1.0948582138979546 2 34 4.082 3.4 42 10 1 6.433572 1 5.936803057894079 6 34 4.082 3.4 42 10 3 6.433572 1 5.936803057894079 6 54 4.082 3.4 42 10 7 6.433572 1 5.936803057894079 6 31 4.082 3.4 42 10 20 6.433572 1 5.936803057894079 6 56 11.385 4.33 44 11 2 2.668204 1 5.9049245321393276 6 37 11.385 4.33 44 11 3 2.668204 1 5.9049245321393276 6 56 11.385 4.33 44 11 8 2.668204 1 5.9049245321393276 6 35 11.385 4.33 44 11 12 2.668204 1 5.9049245321393276 6 40 11.385 4.33 44 11 15 2.668204 1 5.9049245321393276 6 55 11.385 4.33 44 11 17 2.668204 1 5.9049245321393276 6 61 14.5 3.9 43 12 8 -2.717652 1 9.878314862740554 10 34 14.5 3.9 43 12 20 -2.717652 1 9.878314862740554 10 57 15.906 4.29 45 13 1 -1.6896555 1 6.543556482804255 7 37 15.906 4.29 45 13 10 -1.6896555 1 6.543556482804255 7 60 15.906 4.29 45 13 12 -1.6896555 1 6.543556482804255 7 41 15.906 4.29 45 13 13 -1.6896555 1 6.543556482804255 7 36 15.906 4.29 45 13 18 -1.6896555 1 6.543556482804255 7 35 3.299 2.11 34 14 1 3.0559 1 6.525586648816671 7 26 3.299 2.11 34 14 3 3.0559 1 6.525586648816671 7 46 3.299 2.11 34 14 6 3.0559 1 6.525586648816671 7 35 3.299 2.11 34 14 7 3.0559 1 6.525586648816671 7 23 3.299 2.11 34 14 10 3.0559 1 6.525586648816671 7 49 3.299 2.11 34 14 14 3.0559 1 6.525586648816671 7 39 5.705 3.69 43 15 2 5.202066 1 8.68736886042892 9 36 5.705 3.69 43 15 16 5.202066 1 8.68736886042892 9 39 4.504 3.18 31 16 1 5.149125 1 .4443091332012228 1 23 4.504 3.18 31 16 11 5.149125 1 .4443091332012228 1 47 4.504 3.18 31 16 13 5.149125 1 .4443091332012228 1 22 4.504 3.18 31 16 17 5.149125 1 .4443091332012228 1 48 5.104 3.22 41 17 8 4.740935 1 9.224959354351222 10 32 3.667 2.75 40 18 3 4.795815 1 2.339954775078711 3 52 3.955 3.43 43 19 1 6.782544 1 2.957500134912027 3 35 3.955 3.43 43 19 14 6.782544 1 2.957500134912027 3 48 3.955 3.43 43 19 18 6.782544 1 2.957500134912027 3 33 3.984 2.12 35 20 3 3.567411 1 6.42041655386527 7 47 3.984 2.12 35 20 10 3.567411 1 6.42041655386527 7 50 3.984 2.12 35 20 12 3.567411 1 6.42041655386527 7 31 3.984 2.12 35 20 14 3.567411 1 6.42041655386527 7 40 3.984 2.12 35 20 16 3.567411 1 6.42041655386527 7 31 4.01 3.6 46 21 3 7.30405 1 8.270478884270844 9 58 4.01 3.6 46 21 9 7.30405 1 8.270478884270844 9 38 4.01 3.6 46 21 17 7.30405 1 8.270478884270844 9 63 5.886 3.6 46 22 1 6.796914 1 4.3157892705423615 5 38 5.886 3.6 46 22 2 6.796914 1 4.3157892705423615 5 39 5.886 3.6 46 22 4 6.796914 1 4.3157892705423615 5 34 5.886 3.6 46 22 7 6.796914 1 4.3157892705423615 5 35 5.886 3.6 46 22 9 6.796914 1 4.3157892705423615 5 38 5.886 3.6 46 22 10 6.796914 1 4.3157892705423615 5 61 5.886 3.6 46 22 11 6.796914 1 4.3157892705423615 5 62 5.886 3.6 46 22 15 6.796914 1 4.3157892705423615 5 57 5.886 3.6 46 22 17 6.796914 1 4.3157892705423615 5 63 5.886 3.6 46 22 19 6.796914 1 4.3157892705423615 5 43 6.342 3.74 46 23 3 4.886721 1 5.145538164492164 6 58 6.342 3.74 46 23 5 4.886721 1 5.145538164492164 6 46 end
Code:
reghdfe citations funding, a(year inventor_id) group(patent_id) individual(inventor_id) reghdfe citations funding, a(year inventor_id)
When should I use the group and individual option?What is the model behind the first code which contains group and individual option?
Any help will be appreciated.