Simulation of Study Data


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Documentation for package ‘simstudy’ version 0.1.15

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addColumns Add columns to existing data set
addCondition Add a single column to existing data set based on a condition
addCorData Add correlated data to existing data.table
addCorFlex Create multivariate (correlated) data - for general distributions
addCorGen Create multivariate (correlated) data - for general distributions
addMarkov Add Markov chain
addMultiFac Add multi-factorial data
addPeriods Create longitudinal/panel data
betaGetShapes Convert beta mean and precision parameters to two shape parameters
catProbs Create a semi-colon delimited string of probabilities to be used to define categorical data
defCondition Add single row to definitions table of conditions that will be used to add data to an existing definitions table
defData Add single row to definitions table
defDataAdd Add single row to definitions table that will be used to add data to an existing data.table
defMiss Definitions for missing data
defRead Read external csv data set definitions
defReadAdd Read external csv data set definitions for adding columns
defReadCond Read external csv data set definitions for adding columns
defSurv Add single row to survival definitions
delColumns Delete columns from existing data set
gammaGetShapeRate Convert gamma mean and dispersion parameters to shape and rate parameters
genCluster Simulate clustered data
genCorData Create correlated data
genCorFlex Create multivariate (correlated) data - for general distributions
genCorGen Create multivariate (correlated) data - for general distributions
genCorMat Create a correlation matrix
genCorOrdCat Generate correlated ordinal categorical data
genData Calling function to simulate data
genDummy Create dummy variables from a factor or integer variable
genFactor Create factor variable from an existing (non-double) variable
genFormula Generate a linear formula
genMarkov Generate Markov chain
genMiss Generate missing data
genMultiFac Generate multi-factorial data
genNthEvent Generate event data using longitudinal data, and restrict output to time until the nth event.
genObs Create an observed data set that includes missing data
genOrdCat Generate ordinal categorical data
genSpline Generate spline curves
genSurv Generate survival data
iccRE Generate variance for random effects that produce desired intra-class coefficients (ICCs) for clustered data.
mergeData Merge two data tables
negbinomGetSizeProb Convert negative binomial mean and dispersion parameters to size and prob parameters
trimData Trim longitudinal data file once an event has occurred
trtAssign Assign treatment
trtObserve Observed exposure or treatment
trtStepWedge Assign treatment for stepped-wedge design
updateDef Update definition table
updateDefAdd Update definition table
viewBasis Plot basis spline functions
viewSplines Plot spline curves