Index: FinneyCorr Finney's correction to log normally distributed data. adaptlob Numerically evaluate integral using adaptive rule. adaptsimstp Internal mathlib functions ellipse Generate ellipses is.constant is.constant lengths.angle Lengths of two vectors and angle between them. my.var Correlation, Variance and Covariance (Matrices) normalize Normalize vectors num.ident Check numerical values for identity persp2 Central perspective from 3 to 2 dimensions along specified axis pointfit Least squares fit of point clouds, or the Procrustes problem. rec.prot Protected division rotangle Compute rotation angles from orthogonal matrix. rotm Rotation matrix rtf Rational Transfer Function objects for R signp Sign Function whole.number Check an array on whole numbers (x in I).