slm.methods {SparseM} | R Documentation |
Methods for slm objects
Description
Summarize, print, and extract objects from slm
objects.
Usage
## S3 method for class 'slm'
summary(object, correlation, ...)
## S3 method for class 'mslm'
summary(object, ...)
## S3 method for class 'slm'
print(x, digits, ...)
## S3 method for class 'summary.slm'
print(x, digits, symbolic.cor, signif.stars, ...)
## S3 method for class 'slm'
fitted(object, ...)
## S3 method for class 'slm'
residuals(object, ...)
## S3 method for class 'slm'
coef(object, ...)
## S3 method for class 'slm'
extractAIC(fit, scale = 0, k = 2, ...)
## S3 method for class 'slm'
deviance(object, ...)
Arguments
object , x , fit |
object of class |
digits |
minimum number of significant digits to be used for most numbers. |
scale |
optional numeric specifying the scale parameter of the model, see 'scale' in 'step'. Currently only used in the '"lm"' method, where 'scale' specifies the estimate of the error variance, and 'scale = 0' indicates that it is to be estimated by maximum likelihood. |
k |
numeric specifying the "weight" of the equivalent degrees of freedom ('edf') part in the AIC formula. |
symbolic.cor |
logical; if |
signif.stars |
logical; if |
correlation |
logical; if |
... |
additional arguments passed to methods. |
Value
print.slm
and print.summary.slm
return invisibly.
fitted.slm
, residuals.slm
, and coef.slm
return the corresponding components of the slm
object.
extractAIC.slm
and deviance.slm
return the AIC
and deviance values of the fitted object.
Author(s)
Roger Koenker
References
Koenker, R and Ng, P. (2002). SparseM: A Sparse Matrix Package for R,
http://www.econ.uiuc.edu/~roger/research/home.html
See Also
slm
Examples
data(lsq)
X <- model.matrix(lsq) #extract the design matrix
y <- model.response(lsq) # extract the rhs
X1 <- as.matrix(X)
slm.time <- system.time(slm(y~X1-1) -> slm.o) # pretty fast
cat("slm time =",slm.time,"\n")
cat("slm Results: Reported Coefficients Truncated to 5 ","\n")
sum.slm <- summary(slm.o)
sum.slm$coef <- sum.slm$coef[1:5,]
sum.slm
fitted(slm.o)[1:10]
residuals(slm.o)[1:10]
coef(slm.o)[1:10]