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locfit (version 1.5-9.10)

Local Regression, Likelihood and Density Estimation

Description

Local regression, likelihood and density estimation methods as described in the 1999 book by Loader.

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Version

Install

install.packages('locfit')

Monthly Downloads

60,237

Version

1.5-9.10

License

GPL (>= 2)

Maintainer

Andy Liaw

Last Published

June 24th, 2024

Functions in locfit (1.5-9.10)

cpplot

Compute a Cp plot.

fitted.locfit

Fitted values for a `"locfit"' object.

insect

Insect Dataset

left

One-sided left smooth for a Locfit model.

heart

Survival Times of Heart Transplant Recipients

lcvplot

Compute the likelihood cross-validation plot.

geyser.round

Discrete Old Faithful Geyser Dataset

livmet

liver Metastases dataset

lines.locfit

Add locfit line to existing plot

hatmatrix

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

lflim

Construct Limit Vectors for Locfit fits.

km.mrl

Mean Residual Life using Kaplan-Meier estimate

lfeval

Extract Locfit Evaluation Structure.

kangaroo

Kangaroo skull measurements dataset

gcv

Compute generalized cross-validation statistic.

Locfit term in Additive Model formula

geyser

Old Faithful Geyser Dataset

gam.slist

Vector of GAM special terms

mcyc

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

Local Polynomial Model Term

iris

Fisher's Iris Data (subset)

gcvplot

Compute a generalized cross-validation plot.

crit

Compute critical values for confidence intervals.

lscv

Least Squares Cross Validation Statistic.

lscv.exact

Exact LSCV Calculation

locfit

Local Regression, Likelihood and Density Estimation.

lcv

Compute Likelihood Cross Validation Statistic.

lscvplot

Compute the LSCV plot.

locfit.censor

Censored Local Regression

panel.xyplot.lf

Locfit panel function

gam.lf

Locfit call for Generalized Additive Models

plot.eval

Plot evaluation points from a 2-d locfit object.

formula.locfit

Formula from a Locfit object.

lfmarg

Generate grid margins.

print.scb

Print method for simultaneous confidence bands

plotbyfactor

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

plot.scb

Plot method for simultaneous confidence bands

plot.gcvplot

Produce a cross-validation plot.

print.gcvplot

Print method for gcvplot objects

mmsamp

Test dataset for minimax Local Regression

mine

Fracture Counts in Coal Mines

morths

Henderson and Sheppard Mortality Dataset

print.summary.locfit

Print a Locfit summary object.

xbar

Locfit Evaluation Structure

scb

Simultaneous Confidence Bands

sjpi

Sheather-Jones Plug-in bandwidth criterion.

locfit.raw

Local Regression, Likelihood and Density Estimation.

lfknots

Extraction of fit-point information from a Locfit object.

smooth.lf

Local Regression, Likelihood and Density Estimation.

plot.preplot.locfit

Plot a "preplot.locfit" object.

print.preplot.locfit

Print method for preplot.locfit objects.

kappa0

Critical Values for Simultaneous Confidence Bands.

plot.locfit

Plot an object of class locfit.

print.lfeval

Print the Locfit Evaluation Points.

lfgrid

Locfit - grid evaluation structure.

locfit.quasi

Local Quasi-Likelihood with global reweighting.

plot.lfeval

Plot a Locfit Evaluation Structure.

print.locfit

Print method for "locfit" object.

locfit.robust

Robust Local Regression

kdeb

Bandwidth selectors for kernel density estimation.

points.locfit

Add `locfit' points to existing plot

penny

Penny Thickness Dataset

plot.locfit.1d

Plot a one dimensional preplot.locfit object.

none

Locfit Evaluation Structure

spence.15

Spencer's 15 point graduation rule.

spence.21

Spencer's 21 point graduation rule.

locfit.matrix

Reconstruct a Locfit model matrix.

panel.locfit

Locfit panel function

preplot.locfit

Prediction from a Locfit object.

plot.locfit.3d

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

plot.locfit.2d

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

residuals.locfit

Fitted values and residuals for a Locfit object.

preplot.locfit.raw

Prediction from a Locfit object.

stamp

Stamp Thickness Dataset

right

One-sided right smooth for a Locfit model.

spencer

Spencer's Mortality Dataset

predict.locfit

Prediction from a Locfit object.

store

Save S functions.

summary.gcvplot

Summary method for a gcvplot structure.

rbox

Local Regression, Likelihood and Density Estimation.

Residual variance from a locfit object.

regband

Bandwidth selectors for local regression.

rva

Substitute variance estimate on a locfit object.

trimod

Generated sample from a bivariate trimodal normal mixture

summary.preplot.locfit

Summary method for a preplot.locfit object.

summary.locfit

Print method for a locfit object.

claw54

Claw Dataset

cltest

Test dataset for classification

ang

Angular Term for a Locfit model.

chemdiab

Chemical Diabetes Dataset

bad

Example dataset for bandwidth selection

cldem

Example data set for classification

border

Cricket Batting Dataset

ais

Australian Institute of Sport Dataset

aic

Compute Akaike's Information Criterion.

co2

Carbon Dioxide Dataset

density.lf

Density estimation using Locfit

cltrain

Training dataset for classification

aicplot

Compute an AIC plot.

dat

Locfit - data evaluation structure.

expit

Inverse logistic link function

cpar

Conditionally parametric term for a Locfit model.

Compute Mallows' Cp for local regression models.