F-test using vartest2 is giving a NaN

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Marisabel Gonzalez
Marisabel Gonzalez 2018-11-26
回答： Pinkesh Narsinghani 2018-12-4
Here's that section of the code
h0 = 0.86192;
h1_m = 1/4;
h1_e = 1/3;
H_F_m = vartest2(h0,h1_m);
H_F_e = vartest2(h0,h1_e);
When displaying both H_F_m and H_F_e I get a NaN.

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回答（1 个）

Pinkesh Narsinghani
You are getting NaN value because your data size is just one element.To get more details regarding How MATLAB calculates Two sample F-Test , refer the link below :
https://in.mathworks.com/help/stats/vartest2.html#btttvph

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