I have a panel data set and I would like to conduct an event study. The variable dif shows the relative time to the event date and ASVI represents the variable of interest and Treatment refers to the group of control and matched firms.
Code:
* Example generated by -dataex-. To install: ssc install dataex
clear
input int index byte Treatment float(dif ASVI)
1 1 -30    .22171944
1 1 -29   -.22033897
1 1 -28   -.17682925
1 1 -27    .14551088
1 1 -26    -.1666667
1 1 -25     .7151162
1 1 -24    -.3425606
1 1 -23    1.3333333
1 1 -22     .2585034
1 1 -21   -.52076674
1 1 -20   -.19642852
1 1 -19   -.18644068
1 1 -18   -.26892948
1 1 -17    -.2910448
1 1 -16    .21457487
1 1 -15  -.003436437
1 1 -14    .04166662
1 1 -13    .18012413
1 1 -12    -.5714286
1 1 -11    .09375003
1 1 -10   .015037644
1 1  -9          .36
1 1  -8     .0238908
1 1  -7   -.05084744
1 1  -6    -.3154762
1 1  -5     3.032258
1 1  -4   .072386004
1 1  -3   -.28030306
1 1  -2    .26865673
1 1  -1    -.2253521
1 1   0    -.0405904
1 1   1     .2647059
1 1   2    .05431316
1 1   3    -.4516971
1 1   4     .6460904
1 1   5   -.16058394
1 1   6    -.3233083
1 1   7  -.025270775
1 1   8    -.0532544
1 1   9    -.1743119
1 1  10    -.3956044
1 1  11     .7509728
1 1  12    -.2936803
1 1  13     .1857707
1 1  14   -.11877392
1 1  15   -.28571433
1 1  16   -.11585365
1 1  17    .09289608
1 1  18    1.7586207
1 1  19    .52985084
1 1  20     .2053572
1 1  21     .1923077
1 1  22    -.4478528
1 1  23  -.064327486
1 1  24    -.2063492
1 1  25     -.153605
1 1  26     .4527027
1 1  27            1
1 1  28     .3953488
1 1  29    .56351787
1 1  30   .005747146
1 1  31    .14130443
1 1  32    -.3059937
1 1  33     .2389381
1 1  34     .6666667
1 1  35     .0791367
1 1  36    -.3655589
1 1  37    .54069763
1 1  38    -.4277929
1 1  39     .8327973
1 1  40    .05263154
1 1  41    .12903221
1 1  42    1.1611722
1 1  43    -.6129032
2 1 -30     -.591195
2 1 -29   -.04605259
2 1 -28    -.6721311
2 1 -27    -.4940476
2 1 -26   -.13580249
2 1 -25   -.13043475
2 1 -24    -.3181818
2 1 -23    -.3079584
2 1 -22  -.026217313
2 1 -21    -.2982456
2 1 -20    -.3602694
2 1 -19   -.17695473
2 1 -18    -.2473118
2 1 -17   -.09433959
2 1 -16           -1
2 1 -15    .11111107
2 1 -14   -.09722224
2 1 -13    1.7931035
2 1 -12     .4403292
2 1 -11    .14130434
2 1 -10     .3919413
2 1  -9      .686747
2 1  -8      .958042
2 1  -7    2.4013605
2 1  -6     .7318435
2 1  -5    .08527134
2 1  -4    -.4871795
2 1  -3     .5331011
2 1  -2     .3235295
2 1  -1      .234568
2 1   0    .09289618
2 1   1    .22448985
2 1   2    .09022566
2 1   3   .027026966
2 1   4   .009771936
2 1   5    .17437728
2 1   6   -.23976614
2 1   7    -.3157895
2 1   8    -.1099477
2 1   9    -.6428571
2 1  10          .25
2 1  11    -.2387543
2 1  12    .26482219
2 1  13   -.04024766
2 1  14    -.5041322
2 1  15   -.14893618
2 1  16    -.3697479
2 1  17    -.0909091
2 1  18    -.1891892
2 1  19   .007462648
2 1  20    .26934984
2 1  21    -.3353474
2 1  22     .3385827
2 1  23   -.25373137
2 1  24    -.2045454
2 1  25    -.1970803
2 1  26    .03448269
2 1  27   -.24418607
2 1  28      -.53125
2 1  29    .06965175
2 1  30   -.50248754
2 1  31     .5243903
2 1  32    1.1942444
2 1  33     .7307692
2 1  34    .13149843
2 1  35     .1551155
2 1  36    .07913663
2 1  37     .2437811
2 1  38    .06145253
2 1  39    -.7096774
2 1  40   -.12727271
3 1 -30   -.07894732
3 1 -29   -.14361002
3 1 -28   -.19885553
3 1 -27  -.068322964
3 1 -26   -.11924127
3 1 -25   -.11725954
3 1 -24   .013024614
3 1 -23    .20426828
3 1 -22  -.013157982
3 1 -21    .11441304
3 1 -20   -.03785486
3 1 -19   -.08602154
3 1 -18    -.1149274
3 1 -17   -.04209001
3 1 -16   .014040508
3 1 -15   -.19098145
3 1 -14    .06351553
3 1 -13   -.12836766
3 1 -12    .13543093
3 1 -11    .27005348
3 1 -10    .14243324
3 1  -9  -.014539526
3 1  -8     .1756757
3 1  -7    .05726878
3 1  -6    .16693684
3 1  -5   -.16323733
3 1  -4    .24183013
3 1  -3    .23906708
3 1  -2    .07890496
3 1  -1    -.1379311
3 1   0    .06194697
3 1   1    -.0569106
3 1   2  -.002770007
3 1   3   -.21086675
3 1   4   -.08192094
3 1   5    .09177213
3 1   6   -.02306643
3 1   7    -.1310751
3 1   8    .41176465
3 1   9    .26721758
3 1  10    .05820104
3 1  11   .001451339
3 1  12    -.1219512
3 1  13   -.11564633
3 1  14    .13981755
3 1  15 -.0032154145
3 1  16    -.0921228
3 1  17    .06159905
3 1  18    .14825577
3 1  19    .16591924
3 1  20     .1111111
3 1  21    -.0895522
3 1  22    .08832807
3 1  23   -.21438085
3 1  24     .1898395
end
Also, I would like to graph ASVI both treated and control the same timeline(-30 to +20 ) but different lines for treated and control firms.

Thank you