An R package with tools to be used in the other OHDSI R packages

• Functions for parallel computation
• Functions for logging
• Functions used for automating analyses

# Run a function in parallel:
fun <- function(x) {
  return (x^2)
}

cluster <- makeCluster(numberOfThreads = 3)
result <- clusterApply(cluster, 1:10, fun)
stopCluster(cluster)

# Create a file logger:
addDefaultFileLogger("log.txt")
logTrace("Hello world")

ParallelLogger is an R package.

Requires R (version 3.1.0 or higher)

None

1. In R, use the following commands to download and install ParallelLogger:

install.packages("devtools")
library(devtools)
install_github("ohdsi/ParallelLogger")

• Vignette: Logging using ParallelLogger
• Vignette: Parallel execution using ParallelLogger
• Package manual: ParallelLogger.pdf
• Developer questions/comments/feedback: OHDSI Forum
• We use the GitHub issue tracker for all bugs/issues/enhancements

ParallelLogger is licensed under Apache License 2.0

ParallelLogger is being developed in R Studio.

Ready for use

• This project is supported in part through the National Science Foundation grant IIS 1251151.