`simglm`

: Tidy simulation and power analysesThis package can be directly installed through CRAN:

```
install.packages("simglm")
```

The development version of the package can be installed by using the devtools package.

```
library(devtools)
install_github("lebebr01/simglm")
```

The best way to become oriented with the `simglm`

package is through the package vignette. There are two ways to get to the vignettes (both will open a browser to view the vignette). Below is an example loading the "Intro" vignette directly:

```
browseVignettes()
vignette("Intro", package = "simglm")
```

Note: If you install the development version of the package, you may need to tell R to build the vignettes when installing the `simglm`

package by doing the following:

```
install_github("lebebr01/simglm", build_vignettes = TRUE)
```

A flexible suite of functions to simulate nested data. Currently supports the following features:

- Longitudinal data simulation
- Three levels of nesting
- Specification of distribution of random components (random effects and random error)
- Specification of serial correlation
- Specification of the number of variables
- Ability to add time-varying covariates
- Specify the mean and variance of fixed covariate variables
- Factor variable simulation
- Ordinal variable simulation

- Generation of mixture normal distributions
- Cross sectional data simulation
- Single level simulation
- Power by simulation
- Vary parameters for a factorial simulation design.
- Can vary model fitted to the data to misspecify directly.

- Simulation of missing data
- Include other distributions for covariate simulation.
- Continuous, Logistic (dichotomous), and Poisson (count) outcome variables.
- Cross classified simulation and power

Bugs and feature requests are welcomed. Please track these on GitHub here: https://github.com/lebebr01/simglm/issues. I'm also open to pull requests.

Enjoy!

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