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epifit (version 0.1.2)

Flexible Modelling Functions for Epidemiological Data Analysis

Description

Provides flexible model fitting used in epidemiological data analysis by a unified model specification, along with some data manipulation functions. This package covers fitting of variety models including Cox regression models, linear regression models, Poisson regression models, logistic models and others whose likelihood is expressed in negative binomial, gamma and Weibull distributions.

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Version

Install

install.packages('epifit')

Monthly Downloads

70

Version

0.1.2

License

GPL-3

Maintainer

Kazutaka Doi

Last Published

January 6th, 2017

Functions in epifit (0.1.2)

getIndex

Get index by specifying cut points
epifit

Model fitting function for epifit package
listNumericIncompatibility

List incompatible values when converted into numeric values.
countNA

Count NAs in variables.
epifit-package

Flexible Modelling Functions for Epidemiological Data Analysis.
convertFromFactor

Convert factor variable to numeric or character variable.
convertNA

Convert a character pattern or numeric value into NA and vice versa.
calcAge

Calculate the difference between two date in terms of unit of time.
extractVariable

Extract variables according to mode from data.frame.
AIC.epifit

Function for calculating Akaike's ‘An Information Criterion’ (AIC) from epifit object.
strscan

Extract words from a string vector.
showContents

Show variable information in data.frame
selectVariable

Select variables to keep or drop.
pullOneValue

Pull one set of values from variables included in data which are thought to include essentially the same information.
print.epifit

Print function for epifit object.
removeVariable

Remove variables containing NaNs or NAs from data.frames.
selectByIndex

Select objects by their position.
pytable

Make person-year table from individual data
modes

Get the type or storage mode of an object.