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Qtools (version 1.5.8)

Utilities for Quantiles

Description

Functions for unconditional and conditional quantiles. These include methods for transformation-based quantile regression, quantile-based measures of location, scale and shape, methods for quantiles of discrete variables, quantile-based multiple imputation, restricted quantile regression, directional quantile classification, and quantile ratio regression. A vignette is given in Geraci (2016, The R Journal) and included in the package.

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Version

Install

install.packages('Qtools')

Monthly Downloads

944

Version

1.5.8

License

GPL (>= 2)

Maintainer

Marco Geraci

Last Published

October 17th, 2023

Functions in Qtools (1.5.8)

predict.rqt

Predictions from Quantile Regression Transformation Models
GOFTest

Goodness-of-Fit Tests for Quantile Regression Models
Chemistry

A-level Chemistry Scores
fitted.rq.counts

Extract Fitted Values from Quantile Regression Models for Counts
print.GOFTest

Print Goodness-of-Fit Test for Quantile Regression Models
predict.rrq

Predictions from Restricted Quantile Regression Models
print.cmidecdf

Print Mid-distribution Functions
fitted.midrq

Extract Fitted Values from Mid-Quantile Transformation Models
maref.rqt

Marginal Effects
fitted.rqt

Extract Fitted Values from Quantile Regression Transformation Models
predict.qlss

Predictions from Conditional LSS Objects
labor

Labor Pain Data
print.dqc

Print Directional Quantile Classification Objects
mice.impute.rq

QR-based Multiple Imputation
KhmaladzeFormat

Khmaladze Test
print.midquantile

Print Mid-distribution Functions
Orthodont

Growth curve data on an orthdontic measurement
qrr

Quantile Ratio Regression
print.qrr

Print Quantile Ratio Regression Models
print.rq.counts

Print rq.counts
sparsity.rqt

Sparsity Estimation
dqcControl

Control parameters for dqc estimation
residuals.midrq

Residuals from a midrq Objects
plot.midq2q

Plot Quantile Functions
nlControl

Control parameters for gradient search estimation
print.rrq

Print Restricted Quantile Regression Models
summary.midrq

Summary for Mid-Quantile Regression Models
print.rqt

Print Transformation Models
qexact

Exact Confidence Intervals for Quantiles
summary.qrr

Summary for Quantile Ratio Regression Models
summary.rqt

Summary for Quantile Regression Tranformation Models
esterase

Esterase Essay Data
rq.counts

Quantile Regression for Counts
residuals.rq.counts

Residuals from an rq.counts Object
residuals.rqt

Residuals from an rqt Objects
qlss

Quantile-based Summary Statistics for Location, Scale and Shape
rrq

Restricted Regression Quantiles
vcov.midrq

Variance-Covariance Matrix for a Fitted Mid-Quantile Regression Model Object
vcov.qrr

Variance-Covariance Matrix for a Fitted Quantile Ratio Regression Model Object
coef.rq.counts

Extract Coefficients
coef.rqt

Extract Coefficients
plot.qlss

Quantile-based Summary Statistics for Location, Scale and Shape
print.midrq

Print Mid-Quantile Models
print.qlss

Print Quantile-based Summary Statistics for Location, Scale and Shape
predict.rq.counts

Predictions from rq.counts Objects
plot.midquantile

Plot Mid-distribution Functions
predict.qrr

Predictions from Quantile Ratio Regression Models
summary.rrq

Summary for Restricted Quantile Regression Models
tsrq

Quantile Regression Transformation Models
coef.qrr

Extract Coefficients
cmidecdf

Mid-distribution Functions
Qtools-internal

Internal Qtools objects
Qtools-package

Utilities for Quantilies
ao

Transformations
coef.midrq

Extract Coefficients
confint.midquantile

Mid-distribution Functions
dqc

Directional Quantile Classification
midq2q

Recover Ordinary Conditional Quantiles from Conditional Mid-Quantiles
midquantile

Mid-distribution Functions
predict.midrq

Predictions from Mid-Quantile Regression Models
midrq

Mid-Quantile Regression for Discrete Responses
midrqControl

Control parameters for midrq estimation