Ln Stata Command. Generate lny ln y. Nl fits an arbitrary nonlinear regression function by least squares.
Generate lnv3 ln v3 swilk lnv3 shapiro francia test of normality shapiro francia test for v1 sfrancia v1. Generate lny ln y. Any arithmetic operation on a missing value or an impossible arithmetic operation such as division by zero yields a missing value.
This document briefly summarizes stata commands useful in econ 4570 econometrics and econ 6570 advanced econometrics.
The screeplot command graphs the eigenvalues so you can decide how many components or factors to retain. Gen v1 log log v1 for additional help see the help files within stata for each of the following topics enter the corresponding help command. We demonstrate scree plots after a principal component analysis. With the interactive version of the command you enter the function directly on the command line or in the dialog box by using a substitutable expression.
