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locfit (version 1.5-2)

Local Regression, Likelihood and Density Estimation.

Description

Local Regression, Likelihood and density estimation.

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Version

Install

install.packages('locfit')

Monthly Downloads

94,451

Version

1.5-2

License

GPL version 2 or newer

Maintainer

Andy Liaw

Last Published

March 5th, 2025

Functions in locfit (1.5-2)

lfknots

Extraction of fit-point information from a Locfit object.
mmsamp

Test dataset for minimax Local Regression
lflim

Construct Limit Vectors for Locfit fits.
preplot.locfit.raw

Prediction from a Locfit object.
summary.gcvplot

Summary method for a gcvplot structure.
cpar

Conditionally parametric term for a Locfit model.
iris

Fisher's Iris Data (subset)
crit

Compute critical values for confidence intervals.
kangaroo

Kangaroo skull measurements dataset
formula.locfit

Formula from a Locfit object.
gcv

Compute generalized cross-validation statistic.
summary.preplot.locfit

Summary method for a preplot.locfit object.
km.mrl

Mean Residual Life using Kaplan-Meier estimate
co2

Carbon Dioxide Dataset
morths

Henderson and Sheppard Mortality Dataset
locfit.raw

Local Regression, Likelihood and Density Estimation.
lscv.exact

Exact LSCV Calculation
none

Locfit Evaluation Structure
plot.locfit

Plot an object of class locfit.
bad

Example dataset for bandwidth selection
trimod

Generated sample from a bivariate trimodal normal mixture
aicplot

Compute an AIC plot.
lcvplot

Compute the likelihood cross-validation plot.
cltrain

Training dataset for classification
border

Cricket Batting Dataset
locfit.matrix

Reconstruct a Locfit model matrix.
chemdiab

Chemical Diabetes Dataset
dat

Locfit - data evaluation structure.
regband

Bandwidth selectors for local regression.
lp

Local Polynomial Model Term
fitted.locfit

Fitted values for a `"locfit"' object.
expit

Inverse logistic link function
store

Save S functions.
cldem

Example data set for classification
lcv

Compute Likelihood Cross Validation Statistic.
plot.gcvplot

Produce a cross-validation plot.
lfeval

Extract Locfit Evaluation Structure.
predict.locfit

Prediction from a Locfit object.
diab

Exhaust emissions
locfit

Local Regression, Likelihood and Density Estimation.
ang

Angular Term for a Locfit model.
claw54

Claw Dataset
left

One-sided left smooth for a Locfit model.
spencer

Spencer's Mortality Dataset
rv

Residual variance from a locfit object.
plot.locfit.3d

Plot a high-dimensional "preplot.locfit" object using trellis displays.
locfit.robust

Robust Local Regression
plot.lfeval

Plot a Locfit Evaluation Structure.
plot.locfit.1d

Plot a one dimensional preplot.locfit object.
kappa0

Critical Values for Simultaneous Confidence Bands.
spence.15

Spencer's 15 point graduation rule.
mcyc

Acc(De?)celeration of a Motorcycle Hitting a Wall
ais

Australian Institute of Sport Dataset
plot.eval

Plot evaluation points from a 2-d locfit object.
aic

Compute Akaike's Information Criterion.
summary.locfit

Print method for a locfit object.
gcvplot

Compute a generalized cross-validation plot.
gam.lf

Locfit call for Generalized Additive Models
scb

Simultaneous Confidence Bands
spence.21

Spencer's 21 point graduation rule.
cpplot

Compute a Cp plot.
lfgrid

Locfit - grid evaluation structure.
locfit.censor

Censored Local Regression
geyser.round

Discrete Old Faithful Geyser Dataset
lfbas

User-specified basis functions for Locfit.
residuals.locfit

Fitted values and residuals for a Locfit object.
kdeb

Bandwidth selectors for kernel density estimation.
livmet

liver Metastases dataset
print.summary.locfit

Print a Locfit summary object.
insect

Insect Dataset
panel.xyplot.lf

Locfit panel function
lf

Locfit term in Additive Model formula
plot.scb

Plot method for simultaneous confidence bands
hatmatrix

Weight diagrams and the hat matrix for a local regression model.
geyser

Old Faithful Geyser Dataset
print.lfeval

Print the Locfit Evaluation Points.
locfit.quasi

Local Quasi-Likelihood with global reweighting.
mine

Fracture Counts in Coal Mines
plot.locfit.2d

Plot a two-dimensional "preplot.locfit" object.
lfmarg

Generate grid margins.
density.lf

Density estimation using Locfit
cp

Compute Mallows' Cp for local regression models.
cltest

Test dataset for classification
rbox

Local Regression, Likelihood and Density Estimation.
heart

Survival Times of Heart Transplant Recipients
rva

Substitute variance estimate on a locfit object.
xbar

Locfit Evaluation Structure
penny

Penny Thickness Dataset
gam.slist

Vector of GAM special terms
lscvplot

Compute the LSCV plot.
right

One-sided right smooth for a Locfit model.
smooth.lf

Local Regression, Likelihood and Density Estimation.
plot.preplot.locfit

Plot a "preplot.locfit" object.
plotbyfactor

x-y scatterplot, colored by levels of a factor.
preplot.locfit

Prediction from a Locfit object.
print.scb

Print method for simultaneous confidence bands
sjpi

Sheather-Jones Plug-in bandwidth criterion.
stamp

Stamp Thickness Dataset
panel.locfit

Locfit panel function
print.preplot.locfit

Print method for preplot.locfit objects.
ethanol

Exhaust emissions
lines.locfit

Add locfit line to existing plot
lscv

Least Squares Cross Validation Statistic.
print.gcvplot

Print method for gcvplot objects
print.locfit

Print method for "locfit" object.
points.locfit

Add `locfit' points to existing plot