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epiR (version 0.9-27)

Functions for analysing epidemiological data

Description

A package for analysing epidemiological data. Contains functions for directly and indirectly adjusting measures of disease frequency, quantifying measures of association on the basis of single or multiple strata of count data presented in a contingency table, and computing confidence intervals around incidence risk and incidence rate estimates. Miscellaneous functions for use in meta-analysis, diagnostic test interpretation, and sample size calculations.

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Version

Install

install.packages('epiR')

Monthly Downloads

16,014

Version

0.9-27

License

GPL (>= 2)

Maintainer

Mark Stevenson

Last Published

September 20th, 2010

Functions in epiR (0.9-27)

epi.2by2

Summary measures for count data presented in a 2 by 2 table
epi.indirectadj

Indirectly adjusted rates
epi.popsize

Estimate population size
epi.insthaz

Instantaneous hazard computed on the basis of a Kaplan-Meier survival function
epi.bohning

Bohning's test for overdispersion of Poisson data
epi.kappa

Kappa statistic
epi.herdtest

Estimate herd test characteristics
epi.conf

Confidence intervals for means, proportions, incidence, and standardised mortality ratios
epi.convgrid

Convert British National Grid georeferences to easting and northing coordinates
epi.about

The library epiR: summary information
epi.ccc

Concordance correlation coefficient
epi.asc

Write matrix to an ASCII raster file
epi.descriptives

Descriptive statistics
epi.prev

Estimate true prevalence
epi.mh

Fixed-effects meta-analysis of binary outcomes using the Mantel-Haenszel method
epi.incin

Laryngeal and lung cancer cases in Lancashire 1974 - 1983
epi.nomogram

Post-test probability of disease given sensitivity and specificity of a test
epi.empbayes

Empirical Bayes estimates
epi.cluster2size

Sample size under under two-stage cluster sampling
epi.simplesize

Sample size under under simple random sampling
epi.pooled

Estimate herd test characteristics when pooled sampling is used
epi.detectsize

Sample size to detect disease
epi.edr

Estimated dissemination ratio
epi.cluster1size

Sample size under under one-stage cluster sampling
epi.cp

Extract unique covariate patterns from a data set
epi.stratasize

Sample size under under stratified random sampling
epi.epidural

Rates of use of epidural anaesthesia in trials of caregiver support
epi.interaction

Relative excess risk due to interaction in a case-control study
epi.RtoBUGS

R to WinBUGS data conversion
epi.dgamma

Estimate the precision of a [structured] heterogeneity term
epi.SClip

Lip cancer in Scotland 1975 - 1980
epi.dms

Decimal degrees and degrees, minutes and seconds conversion
epi.cpresids

Covariate pattern residuals from a logistic regression model
epi.directadj

Directly adjusted measures of disease frequency
epi.iv

Fixed-effect meta-analysis of binary outcomes using the inverse variance method
epi.studysize

Estimate the sample size to compare means, proportions, and survival
epi.smd

Fixed-effect meta-analysis of continuous outcomes using the standardised mean difference method
epi.ltd

Lactation to date and standard lactation milk yields
epi.clustersize

Sample size for cluster-sample surveys
epi.dsl

Mixed-effects meta-analysis of binary outcomes using the DerSimonian and Laird method
epi.prcc

Partial rank correlation coefficients
epi.tests

Sensitivity, specificity and predictive value of a diagnostic test
epi.offset

Create offset vector