例如这样的数据用STATA求回归的命令是什么呢？貌似不可以直接reg t y d dd？t是因变量,d和dd是虚拟变量，谢谢解答

t	y	d	dd
-0.025797	0	0	0
-0.0270266	0.014198783	0	0
-0.0156613	0.020072993	0	0
0.0676539	0	0	0
0.0201417	0.011755486	0	0
0.0147159	0.024299065	0	0
-0.0021528	0.022857143	0	0
0.0968871	0.021786492	0	0
-0.0077077	0.012232416	0	0
0.0169481	0.022377622	0	0
0.0297427	0.004319654	0	0
0.0629284	0.015854375	0	0
-0.0201897	0.002298851	0	0
-0.0185657	0.04596835	0	0
-0.1132042	0.00245098	0	0
0.0104946	0.005172414	0	0
-0.0136599	0.062008734	0	0
0.0770165	0	0	0
0.0623863	0.02892562	0	0
0.1028965	0.032835821	0	0
-0.0207834	0	0	0
-0.01412	0.003314002	0	0
-0.0024067	0	0	0
-0.0158185	0.031674208	0	0
0.0991469	0.009864365	0	0
-0.0332475	0.03805175	0	0
0.0776934	0.017673888	0	0
-0.0614354	0.000908678	0	0
-0.0002526	0.017282011	0	0
0.0281011	0.006187162	0	0
0.0451331	0.000606061	0	0
0.0360973	0.033043478	0	0
0.0281855	0.045735476	0	0
-0.0224716	0.090848363	0	0
0.0258769	0.003021148	0	0
0.0077807	0.001470588	0	0
0.0321995	0.00154321	0	0
0.0047804	0.00620155	0	0
-0.0167147	0.002171553	0	0
-0.0456244	0	0	0
0.0147386	0	0	0
-0.0024813	0	0	0
0.0469407	0.00887574	0	0
0.0623371	0.038901602	0	0
0.053093	0.029411765	0	0
0.0491324	0.006195787	0	0
-0.0194354	0.021293375	0	0
-0.0228816	0.003875969	0	0
0.0367494	0.003597122	0	0
0.0283387	0.003636364	0	0
0.0080309	0.033457249	0	0
0.0055528	0.003636364	0	0
0.0204607	0.007905138	0	0
0.0189204	0	0	0
-0.0179616	0	0	0
-0.0196769	0.003389831	0	0
-0.0204486	0.001349528	0	0
0.0411376	0.015384615	0	0
0.0244994	0.031325301	0	0
0.0057307	0.090947192	0	0
-0.0174472	0.004997224	0	0
-0.0329613	0	0	0
-0.0012028	0	0	0
0.0078491	0	0	0
-0.0176108	0.010660981	0	0
-0.0324834	0.025089606	0	0
0.0162321	0.001972387	0	0
0.0312447	0.019259259	0	0
-0.019013	0.045372051	0	0
-0.0238308	0.010893246	0	0
-0.0077965	0.004914005	0	0
0.006054	0.033970276	0	0
-0.0300988	0.008353222	0	0
-0.0754972	0.002671416	0	0
0.0903892	0.011102887	0	0
0.0232102	0.027722772	0	0
0.002083	0	0	0
-0.0174376	0	0	0
-0.0030894	0	0	0
-0.0204934	0	0	0
0.0040612	0.006864989	0	0
0.0024756	0.037349398	1	0
0.1621995	0.072580645	1	0
0.177135	0.048128342	1	0
0.0199373	0	1	0
-0.0166545	0.023498695	1	0
-0.2916331	0.024699177	1	0
-0.0172837	0.000833333	1	0
-0.0730783	0.090804861	1	0
0.0578326	0.009948269	1	0
-0.0162098	0.006381039	1	0
-0.0105021	0.005623243	1	0
-0.0293028	0.090909091	1	0
-0.0376916	0.067493113	1	0
0.0381117	0.005347594	1	0
-0.1279088	0.000436808	0	1
-0.0159581	0	0	1
-0.0185053	0.002582311	0	1
0.2749736	0.042662116	0	1
0.0682168	0.033125	0	1
0.2042673	0.052013423	0	1