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P5-statistics-regression
May 26, 2018
Perl module to perform weighted linear regression
Regression.pm is a multivariate linear regression package. That is, it estimates the c coefficients for a line-fit of the type
y= c0*x0 + c1*x1 + c2*x2 + ... + ck*xk
given a data set of N observations, each with k independent x variables and one y variable. Naturally, N must be greater than k—and preferably considerably greater. Any reasonable undergraduate statistics book will explain what a regression is. Most of the time, the user will provide a constant ‘1’ as x0 for each observation in order to allow the regression package to fit an intercept.
WWW http//search.cpan.org/dist/Statistics-Regression/
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