stats/base/multivariate - multivariate utilities
v |
sum of products of deviations |
|
v |
(co)variance |
|
v |
population (co)variance |
|
v |
correlation |
|
v |
least-squares fit |
|
v |
multiple regression |
spdev
spdev (v) sum of products of deviations
cov
cov (v) (co)variance
covp
covp (v) population (co)variance
corr
corr (v) correlation
lsfit
lsfit (v) least-squares fit
form: n lsfit xy coefficients of polynomial fitting data points using least squares approximation. xy = 2 row matrix of x ,: y n = order of polynomial
regression
regression (v) multiple regression
form: independent regression dependent
dependent = vector of n observations (Y value)
independent = n by p matrix of n observations for p independent
variables (X value)
returns: formatted values