Description Usage Arguments Value Author(s) See Also Examples
View source: R/coef.selection.R
This function extracts coefficients from sample selection models
1 2 3 4 5 6 7 |
object |
object of class |
part |
character string indicating
which parts of the coefficients to extract:
|
x |
object returned by |
prefix |
logical. Add a prefix to the names of the coefficients that indicates to which equation the coefficient belongs. |
digits |
numeric, (suggested) number of significant digits. |
... |
currently not used. |
coef.selection
returns a vector of the estimated coefficients.
coef.summary.selection
returns a matrix of the estimated coefficients,
their standard errors, t-values, and p-values.
Arne Henningsen, Ott Toomet (otoomet@ut.ee)
coef
, selection
, vcov.selection
,
and selection-methods
.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | ## Estimate a simple female wage model taking into account the labour
## force participation
data(Mroz87)
a <- heckit(lfp ~ huswage + kids5 + mtr + fatheduc + educ + city,
log(wage) ~ educ + city, data=Mroz87)
## extract all coefficients of the model:
coef( a )
## now extract the coefficients of the outcome model only:
coef( a, part="outcome")
## extract all coefficients, standard errors, t-values
## and p-values of the model:
coef( summary( a ) )
## now extract the coefficients, standard errors, t-values
## and p-values of the outcome model only:
coef( summary( a ), part="outcome")
|
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