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locfit (version 1.1-4)

Local Regression, Likelihood and Density Estimation.

Description

Local Regression, Likelihood and density estimation.

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Version

Install

install.packages('locfit')

Monthly Downloads

69,216

Version

1.1-4

License

Free for non-commercial use, see the file COPYRIGHT for details

Maintainer

Andy Liaw

Last Published

March 5th, 2025

Functions in locfit (1.1-4)

fitted.locfit

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

Local Regression, Likelihood and Density Estimation.
penny

Penny Thickness Dataset
heart

Survival Times of Heart Transplant Recipients
kdeb

Bandwidth selectors for kernel density estimation.
bad

Example dataset for bandwidth selection
density.lf

Density estimation using Locfit
aic

Compute Akaike's Information Criterion.
knots

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

Inverse logistic link function
lf

Locfit term in Additive Model formula
ais

Australian Institute of Sport Dataset
preplot.locfit.raw

Prediction from a Locfit object.
morths

Henderson and Sheppard Mortality Dataset
ang

Angular Term for a Locfit model.
gam.slist

Vector of GAM special terms
cp

Compute Mallows' Cp for local regression models.
plot.locfit.3d

Plot a high-dimensional "preplot.locfit" object using trellis displays.
claw54

Claw Dataset
geyser

Old Faithful Geyser Dataset
crit

Compute critical values for confidence intervals.
ethanol

Exhaust emissions
plot.gcvplot

Produce a cross-validation plot.
gam.lf

Locfit call for Generalized Additive Models
mmsamp

Test dataset for minimax Local Regression
chemdiab

Chemical Diabetes Dataset
cltest

Test dataset for classification
gcv

Compute generalized cross-validation statistic.
plot.locfit.1d

Plot a one dimensional "preplot.locfit" object.
cpar

Conditionally parametric term for a Locfit model.
summary.preplot.locfit

Summary method for a preplot.locfit object.
formula.locfit

Formula method for a Locfit object.
cltrain

Training dataset for classification
border

Cricket Batting Dataset
iris

Fisher's Iris Data (subset)
regband

Bandwidth selectors for local regression.
aicplot

Compute an AIC plot.
lfeval

Extract Locfit Evaluation Structure.
lflim

Construct Limit Vectors for Locfit fits.
plot.lfeval

Plot a Locfit Evaluation Structure.
locfit.matrix

Reconstruct a Locfit model matrix.
locfit.quasi

Local Quasi-Likelihood with global reweighting.
locfit.robust

Robust Local Regression
print.preplot.locfit

Print method for preplot.locfit objects.
lscv

Least Squares Cross Validation Statistic.
locfit.censor

Censored Local Regression
lscvplot

Compute the LSCV plot.
geyser.round

Discrete Old Faithful Geyser Dataset
lfmarg

Generate grid margins.
print.scb

Print method for simultaneous confidence bands
preplot.locfit

Prediction from a Locfit object.
lscv.exact

Exact LSCV Calculation
co2

Carbon Dioxide Dataset
print.gcvplot

Print method for gcvplot objects
lines.locfit

Add `locfit' line to existing plot
panel.xyplot.lf

Locfit panel function
plot.locfit.2d

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

Print method for a locfit object.
plot.eval

Plot evaluation points from a 2-d locfit object.
spence.21

Spencer's 21 point graduation rule.
rva

Substitute variance estimate on a "locfit" object.
print.summary.locfit

Print a Locfit summary object.
scb

Simultaneous Confidence Bands
spencer

Spencer's Mortality Dataset
print.lfeval

Print the Locfit Evaluation Points.
livmet

liver Metastases dataset
locfit.raw

Local Regression, Likelihood and Density Estimation.
right

One-sided right smooth for a Locfit model.
plot.scb

Plot method for simultaneous confidence bands
plot.locfit

Plot an object of class locfit.
points.locfit

Add `locfit' points to existing plot
stamp

Stamp Thickness Dataset
print.locfit

Print method for "locfit" object.
lcvplot

Compute the likelihood cross-validation plot.
predict.locfit

Prediction from a Locfit object.
summary.gcvplot

Summary method for a gcvplot structure.
rv

Residual variance from a "locfit" object.
panel.locfit

Locfit panel function
mcyc

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

Fracture Counts in Coal Mines
plot.preplot.locfit

Plot a "preplot.locfit" object.
store

Save S functions.
cldem

Example data set for classification
cpplot

Compute a Cp plot.
km.mrl

Mean Residual Life using Kaplan-Meier estimate
diab

Exhaust emissions
kangaroo

Kangaroo skull measurements dataset
crita

Substitute critical values on "locfit" object.
hatmatrix

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

Compute a generalized cross-validation plot.
lfbas

User-specified basis functions for Locfit.
kappa0

Critical Values for Simultaneous Confidence Bands.
left

One-sided left smooth for a Locfit model.
residuals.locfit

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

Compute Likelihood Cross Validation Statistic.
sjpi

Sheather-Jones Plug-in bandwidth criterion.
plotbyfactor

x-y scatterplot, colored by levels of a factor.
spence.15

Spencer's 15 point graduation rule.
insect

Insect Dataset
trimod

Generated sample from a bivariate trimodal normal mixture