Linear Estimation and Data Analysis Commands

CORR

correlation matrix of several series

COVA

covariance matrix of several series

INST

instrumental variables and two stage least squares regression

KERNEL

computes a Kernel density estimation or regression

LAD

Least Absolute Deviations estimation (median regression)

LIML

Limited Information Maximum Likelihood

LMS

Least Median Squares estimation

LP

Linear programming (with constraints)

MSD

mean, standard deviation, minimum, maximum, sum, variance, skewness, kurtosis for a list of series

OLSQ

Ordinary Least Squares (linear regression), can use weights

PANEL

panel data estimation (total, within, between, variance components)

PDL

describes specification of Polynomial Distributed Lag variables (Almon lags), and Shiller Lags; used in OLSQ, INST, AR1, PROBIT, TOBIT

PRIN

Principal Components (simple factor analysis)