lasso2 v1.2-5

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by Berwin Turlach

L1 constrained estimation aka `lasso'

Routines and documentation for solving regression problems while imposing an L1 constraint on the estimates, based on the algorithm of Osborne et al. (1998)

Functions in lasso2

Name Description
Prostate Prostate Cancer Data
Iowa The Iowa Wheat Yield Data
Extract.l1celist Extract Parts of a `l1celist' Object
coef.l1ce Coefficients of an `l1ce' Object
deviance.l1ce Deviance Method for `l1ce' and `l1celist' Objects
l1ce.object L1 Constrainted Estimation Model Object
coef.l1celist Coefficients of an `l1celist' Object
gcv Generalised Cross-Validation Score
residuals.l1ce Residuals of `l1ce' or `l1celist' Objects
summary.gl1ce Summary Method for Generalized L1 Constrained Regression Models
is.formula Tests for Formula Objects
l1celist.object Object of Several L1 Constrained Estimation Models
gcv.l1ce `gcv()' Methods for `l1ce' and `l1celist' Objects.
labels.l1ce `Labels' Method for `l1ce' and `l1celist' Objects
plot.l1celist Plot Method for `l1celist' Objects
fitted.l1ce Fitted Values for `l1ce', `l1celist' and `gl1ce' Objects
vcov.l1ce Variance-Covariance Matrix of `l1ce' or `l1celist' Objects
tr Trace of a Matrix
gl1ce.object Generalized L1 Constrained Estimation Model Object
print.l1ce Print Methods for `l1ce', `l1celist' and `gl1ce' Objects
gl1ce Generalized Regression With L1-constraint on the Parameters
merge.formula Merge Formula With Right Hand Side of Second Formula
predict.gl1ce Prediction Method for a `gl1ce' Object
predict.l1ce Predict Method for `l1ce' Objects
lasso-internal Internal lasso functions
residuals.gl1ce Compute Residuals for `gl1ce' Objects
aux Extract Auxiliary Information From an Object
qr.rtr.inv Reconstruct the Inverse of R'R from a QR Object
deviance.gl1ce Deviance Method for `gl1ce' Objects
summary.l1ce Summary Method for ``l1ce'' Objects (Regression with L1 Constraint)
aux.l1celist Use `aux()' on a `l1celist' object
l1ce Regression Fitting With L1-constraint on the Parameters
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Details

Date 2006-04-05
License GPL version 2 or later
URL http://www.maths.uwa.edu.au/~berwin/software/lasso.html
Packaged Wed Apr 5 09:57:28 2006; berwin

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