# Simulation of Study Data

## Documentation for package ‘simstudy’ version 0.9.1

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

## Help Pages

addColumns | Add columns to existing data set
addCompRisk | Generating single competing risk survival variable
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
addDataDensity | Add data from a density defined by a vector of integers
addMarkov | Add Markov chain
addMultiFac | Add multi-factorial data
addPeriods | Create longitudinal/panel data
addSynthetic | Add synthetic data to existing data set
beta | Distributions for Data Definitions
betaGetShapes | Convert beta mean and precision parameters to two shape parameters
binary | Distributions for Data Definitions
binomial | Distributions for Data Definitions
blockDecayMat | Create a block correlation matrix
blockExchangeMat | Create a block correlation matrix with exchangeable structure
categorical | Distributions for Data Definitions
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
defRepeat | Add multiple (similar) rows to definitions table
defRepeatAdd | Add multiple (similar) rows to definitions table that will be used to add data to an existing data.table
defSurv | Add single row to survival definitions
delColumns | Delete columns from existing data set
distributions | Distributions for Data Definitions
exponential | Distributions for Data Definitions
gamma | Distributions for Data Definitions
gammaGetShapeRate | Convert gamma mean and dispersion parameters to shape and rate parameters
genCatFormula | Generate Categorical Formula
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
genData | Calling function to simulate data
genDataDensity | Generate data from a density defined by a vector of integers
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
genMixFormula | Generate Mixture Formula
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
genSynthetic | Generate synthetic data
grouped | Mark parameters as grouped
iccRE | Generate variance for random effects that produce desired intra-class coefficients (ICCs) for clustered data.
logisticCoefs | Determine intercept, treatment/exposure and covariate coefficients that can be used for binary data generation with a logit link and a set of covariates
mergeData | Merge two data.tables without modifying inputs
mixture | Distributions for Data Definitions
negbinomGetSizeProb | Convert negative binomial mean and dispersion parameters to size and prob parameters
negBinomial | Distributions for Data Definitions
nonrandom | Distributions for Data Definitions
normal | Distributions for Data Definitions
noZeroPoisson | Distributions for Data Definitions
poisson | Distributions for Data Definitions
scenario_list | Create list of parameter scenarios
simstudy-deprecated | Deprecated functions in simstudy
survGetParams | Get survival curve parameters
survParamPlot | Plot survival curves
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
uniform | Distributions for Data Definitions
updateDef | Update definition table
updateDefAdd | Update definition table
viewBasis | Plot basis spline functions
viewSplines | Plot spline curves