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locfit (version 1.5-3)

Local Regression, Likelihood and Density Estimation.

Description

Local Regression, Likelihood and density estimation.

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Version

Install

install.packages('locfit')

Monthly Downloads

84,096

Version

1.5-3

License

GPL version 2 or newer

Maintainer

Andy Liaw

Last Published

March 5th, 2025

Functions in locfit (1.5-3)

Local Polynomial Model Term

geyser

Old Faithful Geyser Dataset

kappa0

Critical Values for Simultaneous Confidence Bands.

insect

Insect Dataset

cltrain

Training dataset for classification

ang

Angular Term for a Locfit model.

penny

Penny Thickness Dataset

print.lfeval

Print the Locfit Evaluation Points.

lcvplot

Compute the likelihood cross-validation plot.

Locfit term in Additive Model formula

lfmarg

Generate grid margins.

bad

Example dataset for bandwidth selection

aic

Compute Akaike's Information Criterion.

cltest

Test dataset for classification

dat

Locfit - data evaluation structure.

locfit.raw

Local Regression, Likelihood and Density Estimation.

iris

Fisher's Iris Data (subset)

plot.eval

Plot evaluation points from a 2-d locfit object.

chemdiab

Chemical Diabetes Dataset

panel.xyplot.lf

Locfit panel function

rbox

Local Regression, Likelihood and Density Estimation.

print.scb

Print method for simultaneous confidence bands

lfknots

Extraction of fit-point information from a Locfit object.

plot.locfit.2d

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

aicplot

Compute an AIC plot.

points.locfit

Add `locfit' points to existing plot

locfit

Local Regression, Likelihood and Density Estimation.

left

One-sided left smooth for a Locfit model.

right

One-sided right smooth for a Locfit model.

lcv

Compute Likelihood Cross Validation Statistic.

heart

Survival Times of Heart Transplant Recipients

Exact LSCV Calculation

lines.locfit

Add locfit line to existing plot

ais

Australian Institute of Sport Dataset

plot.lfeval

Plot a Locfit Evaluation Structure.

print.locfit

Print method for "locfit" object.

preplot.locfit

Prediction from a Locfit object.

locfit.robust

Robust Local Regression

predict.locfit

Prediction from a Locfit object.

lscvplot

Compute the LSCV plot.

gcv

Compute generalized cross-validation statistic.

fitted.locfit

Fitted values for a `"locfit"' object.

lflim

Construct Limit Vectors for Locfit fits.

Compute Mallows' Cp for local regression models.

spence.21

Spencer's 21 point graduation rule.

residuals.locfit

Fitted values and residuals for a Locfit object.

cpar

Conditionally parametric term for a Locfit model.

kdeb

Bandwidth selectors for kernel density estimation.

plot.locfit.3d

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

sjpi

Sheather-Jones Plug-in bandwidth criterion.

expit

Inverse logistic link function

geyser.round

Discrete Old Faithful Geyser Dataset

lfbas

User-specified basis functions for Locfit.

print.gcvplot

Print method for gcvplot objects

locfit.matrix

Reconstruct a Locfit model matrix.

gcvplot

Compute a generalized cross-validation plot.

mcyc

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

livmet

liver Metastases dataset

cpplot

Compute a Cp plot.

print.preplot.locfit

Print method for preplot.locfit objects.

print.summary.locfit

Print a Locfit summary object.

kangaroo

Kangaroo skull measurements dataset

spence.15

Spencer's 15 point graduation rule.

crit

Compute critical values for confidence intervals.

formula.locfit

Formula from a Locfit object.

gam.slist

Vector of GAM special terms

gam.lf

Locfit call for Generalized Additive Models

co2

Carbon Dioxide Dataset

scb

Simultaneous Confidence Bands

plotbyfactor

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

lscv

Least Squares Cross Validation Statistic.

plot.scb

Plot method for simultaneous confidence bands

summary.gcvplot

Summary method for a gcvplot structure.

morths

Henderson and Sheppard Mortality Dataset

ethanol

Exhaust emissions

locfit.quasi

Local Quasi-Likelihood with global reweighting.

border

Cricket Batting Dataset

preplot.locfit.raw

Prediction from a Locfit object.

trimod

Generated sample from a bivariate trimodal normal mixture

xbar

Locfit Evaluation Structure

km.mrl

Mean Residual Life using Kaplan-Meier estimate

hatmatrix

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

mine

Fracture Counts in Coal Mines

lfgrid

Locfit - grid evaluation structure.

none

Locfit Evaluation Structure

plot.locfit.1d

Plot a one dimensional preplot.locfit object.

Residual variance from a locfit object.

density.lf

Density estimation using Locfit

summary.locfit

Print method for a locfit object.

plot.locfit

Plot an object of class locfit.

store

Save S functions.

spencer

Spencer's Mortality Dataset

mmsamp

Test dataset for minimax Local Regression

plot.gcvplot

Produce a cross-validation plot.

lfeval

Extract Locfit Evaluation Structure.

smooth.lf

Local Regression, Likelihood and Density Estimation.

stamp

Stamp Thickness Dataset

panel.locfit

Locfit panel function

plot.preplot.locfit

Plot a "preplot.locfit" object.

regband

Bandwidth selectors for local regression.

summary.preplot.locfit

Summary method for a preplot.locfit object.

locfit.censor

Censored Local Regression

cldem

Example data set for classification

rva

Substitute variance estimate on a locfit object.