# Epidemiology Tools

## Documentation for package ‘epitools’ version 0.5-10

- DESCRIPTION file.

## Help Pages

ageadjust.direct | Age standardization by direct method, with exact confidence intervals
ageadjust.indirect | Age standardization by indirect method, with exact confidence intervals
as.hour | Convert date-time object into hour units
as.month | Convert dates into months of the year for plotting epidemic curves
as.week | Convert dates object in 'disease week' for plotting epidemic curves
binom.approx | Confidence intervals for binomial counts or proportions
binom.exact | Confidence intervals for binomial counts or proportions
binom.wilson | Confidence intervals for binomial counts or proportions
colorbrewer.data | Display and create ColorBrewer palettes
colorbrewer.display | Display and create ColorBrewer palettes
colorbrewer.palette | Display and create ColorBrewer palettes
colors.matrix | Plots R's 657 named colors for selection
colors.plot | Plots R's 657 named colors for selection
epicurve.dates | Construct an epidemic curve
epicurve.hours | Construct an epidemic curve
epicurve.months | Construct an epidemic curve
epicurve.table | Construct an epidemic curve
epicurve.weeks | Construct an epidemic curve
epidate | Convert dates into multiple legible formats
epitab | Epidemiologic tabulation for a cohort or case-control study
epitable | Create r x c contigency table (exposure levels vs. binary outcome)
expand.table | Expand contingency table into individual-level data set
expected | Expected values in a table
julian2date | Convert a julian date into standard a date format
kapmeier | Implements product-limit (Kaplan-Meier) method
oddsratio | Odds ratio estimation and confidence intervals
oddsratio.fisher | Odds ratio estimation and confidence intervals
oddsratio.midp | Odds ratio estimation and confidence intervals
oddsratio.small | Odds ratio estimation and confidence intervals
oddsratio.wald | Odds ratio estimation and confidence intervals
or.midp | Odds ratio estimation and confidence intervals using mid-p method
ormidp.test | odds ratio test for independence (p value) for a 2x2 table
oswego | Outbreak of Gastrointestinal Illness in Oswego County, 1940
pois.approx | Confidence intervals for Poisson counts or rates
pois.byar | Confidence intervals for Poisson counts or rates
pois.daly | Confidence intervals for Poisson counts or rates
pois.exact | Confidence intervals for Poisson counts or rates
probratio | Obtain unbiased probability ratios from logistic regression models
rate2by2.test | Comparative tests of independence in rx2 rate tables
rateratio | Rate ratio estimation and confidence intervals
rateratio.midp | Rate ratio estimation and confidence intervals
rateratio.wald | Rate ratio estimation and confidence intervals
ratetable | Create r x 2 count and person-time table for calculating rates
riskratio | Risk ratio estimation and confidence intervals
riskratio.boot | Risk ratio estimation and confidence intervals
riskratio.small | Risk ratio estimation and confidence intervals
riskratio.wald | Risk ratio estimation and confidence intervals
tab2by2.test | Comparative tests of independence in rx2 contigency tables
table.margins | Marginal totals of a table
wcgs | Western Collaborative Group Study data
wnv | West Nile Virus human cases reported in California, USA, as of December 14, 2004