. Author manuscript; available in PMC: 2019 Jun 30.

Published in final edited form as: Eur J Environ Public Health. 2018 Oct 16;2(2):10. doi: 10.20897/ejeph/3925

Table 2.

Software packages and Critical value for F-distribution with 1, 1000 degrees of freedom

Significance level	Critical value for F-distribution with 1, 1000 degrees of freedom
Significance level	Mathematica	SAS	Matlab	R	Stata
1E-03	10.891865559	10.891866	10.891866	10.891866	10.891866
1E-04	15.259521389	15.259521	15.259521	15.259521	15.259521
1E-05	19.712947049	19.712947	19.712947	19.712947	19.712948
1E-06	24.228934152	.	24.228934	24.228934	24.228933
1E-07	28.794927827	.	28.794928	28.794928	28.794928
1E-08	33.403406313	.	33.403406	33.403406	33.403408
1E-09	38.049531722	.	38.049532	38.049532	38.049530
1E-10	42.730026564	.	42.730026	42.730026	42.730026
1E-11	47.442581611	.	47.442581	47.442581	47.442581
1E-12	52.185519872	.	52.185566	52.185566	52.185520