# Freedom from Disease

## Documentation for package ‘FFD’ version 1.0-9

- DESCRIPTION file.
- User guides, package vignettes and other documentation.

## Help Pages

computeAlpha | FUNCTION to compute the herd-based alpha-errors (= 1 - herd sensitivity).
computeAlphaLimitedSampling | FUNCTION to compute the average alpha-error (= error of first kind) for limited sampling.
computeAposterioriError | FUNCTION to compute the a-posteriori error.
computeAposterioriErrorRiskGroups | FUNCTION to compute the a-posteriori error considering a population stratified into risk geroups.
computeOptimalSampleSize | FUNCTION to compute the optimal sample size.
computeOptimalSampleSizeRiskGroups | FUNCTION to compute the optimal sample size for populations stratified by risk factors.
computePValue | FUNCTION to compute the probability of finding no testpositives in a sample of a certain size.
computePValueRiskGroups | FUNCTION to compute the probability of finding no testpositives in a sample of a certain size for a population stratified into risk groups.
FFD_GUI | Freedom From Disease sampling plan calculator
HTML-method | Class "IndSampling"
HTML-method | Class "IndSamplingSummary"
HTML-method | Class "LtdSampling"
HTML-method | Class "LtdSamplingSummary"
indSampling | Constructor for class 'IndSampling'.
IndSampling-class | Class "IndSampling"
indSamplingSummary | Constructor for class 'IndSamplingSummary'.
IndSamplingSummary-class | Class "IndSamplingSummary"
lls | List Objects
ltdSampling | Constructor for class 'LtdSampling'.
LtdSampling-class | Class "LtdSampling"
ltdSamplingSummary | Constructor for class 'LtdSamplingSummary'.
LtdSamplingSummary-class | Class "LtdSamplingSummary"
plot-method | Class "IndSamplingSummary"
plot-method | Class "LtdSamplingSummary"
sample-method | Class "IndSampling"
sample-method | Class "LtdSampling"
sheepData | Simulated test data frame of Austrian sheep holdings.
show-method | Class "IndSampling"
show-method | Class "IndSamplingSummary"
show-method | Class "LtdSampling"
show-method | Class "LtdSamplingSummary"
show-method | Class "SurveyData"
summary-method | Class "IndSampling"
summary-method | Class "IndSamplingSummary"
summary-method | Class "LtdSampling"
summary-method | Class "LtdSamplingSummary"
summary-method | Class "SurveyData"
surveyData | Constructor for class 'SurveyData'.
SurveyData-class | Class "SurveyData"