Deprecate corrcoef, cor and replace with Matlab equivalent corr The value calculated by Octave's corrcoef and cor are the same as the value calculated by the Matlab function corr. Use MathWorks naming convention for this functionality. * corr.m: New file with functionality of corrcoef.m * cov.m, kendall.m, spearman.m, cor_test.m: Adjust scripts to call corr() * statistics/base/module.mk, deprecated/module.mk: Inform Automake about deprecated functions * NEWS: Inform users about deprecation * stats.txi: Add corr() to documentation.