| Library: | metrics |
| See also: | panfix panrand panhaus |
| Macro: | pantime | |
| Description: | Subtracts the mean of period t from the model variables. Purpose: Accounting for fixed time effects |
| Usage: | y = pantime(z,{T}) | |
| Input: | ||
| z | Data matrix. First column: Identification number for cross section units (optional), Second column: depen- dent variable, Further columns: explanatory variables | |
| T | (optional) for producing the identification numbers for a balanced data set | |
| Output: | ||
| y | Data matrix | |
library("metrics")
z=read("earnings")
y=pantime(z)
z[1:10,1:3]~y[1:10,3]
Contents of _tmp [ 1,] 1 1 2600 1694.7 [ 2,] 1 2 2500 1385.3 [ 3,] 1 3 2700 1504.8 [ 4,] 1 4 3400 2674.3 [ 5,] 1 5 3354 2157.7 [ 6,] 2 1 2850 2194.7 [ 7,] 2 2 4000 4385.4 [ 8,] 2 3 4000 4104.8 [ 9,] 2 4 4200 4274.3 [10,] 2 5 5720 6889.7
| Library: | metrics |
| See also: | panfix panrand panhaus |