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Difference between revisions of "Logistic regression"
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→GNU/Octave example: tweak
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logit_arr(1:end,3)=logit_arr(1:end,1)./logit_arr(1:end,2); % zvalue_i = coefficient_i/se_coefficient_i | logit_arr(1:end,3)=logit_arr(1:end,1)./logit_arr(1:end,2); % zvalue_i = coefficient_i/se_coefficient_i | ||
logit_arr(1:end,4)=logit_arr(1:end,3).*logit_arr(1:end,3); % zvalue_i^2 | logit_arr(1:end,4)=logit_arr(1:end,3).*logit_arr(1:end,3); % zvalue_i^2 | ||
logit_arr(1:end,5)=1-chi2cdf(logit_arr(1:end,4),1) % Wald statistic is | logit_arr(1:end,5)=1-chi2cdf(logit_arr(1:end,4),1) % Wald statistic is calculated as per formula in https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1065119/ | ||
% calculate the probability for a range of values | % calculate the probability for a range of values | ||