Library: | metrics |
See also: | panfix panhaus pandyn |
Quantlet: | panhaus | |
Description: | Hausman Test for a correlation between the regressors and the individual effects |
Usage: | {OUTPUT} = panhaus(Z,siga,sige,m {,T} ) | |
Input: | ||
Z | Dataset ordered by Individuals (i) 1st column: Index of Individuals 2nd column: Dependent variable 3rd ... column: Explanatory variables (without const!) NT x k+2 Matrix | |
T | Number of time periods for a BALANCED Dataset. No column for the Index of Individuals. (Optional, only for a Dataset with the same T for all Individuals = BALANCED PANEL) | |
Output: | ||
OUTPUT | String of output table |
library("metrics") z=read("earnings") z1 = z[,1:2]~log(z[,3])~z[,4]~(z[,4]^2) {output,siga,sige}=panfix(z1,2) panhaus(z1,siga,sige,2)
[ 1,] "=====================================================" [ 2,] "Hausman Specification Test for the null hypothesis: " [ 3,] " 2 Variables x(i,t) are uncorrelated with a(i) " [ 4,] "=====================================================" [ 5,] " d = beta(between)-beta(within) SE t-value" [ 6,] "=====================================================" [ 7,] " d [ 1 ] = -0.0406 0.0978 -0.415" [ 8,] " d [ 2 ] = -0.3370 0.3063 -1.100" [ 9,] "=====================================================" [10,] "P-Value (RANDOM against FIXED effects): 0.4739" [11,] "====================================================="
Library: | metrics |
See also: | panfix panhaus pandyn |