RJafroc Available!

An R package RJafroc is available to download! It is an enhanced, free, open-source, and cross platform implementation of existing JAFROC Windows software. The package reads data in all currently used data formats including Excel. Significance testing uses two models in widespread use, a jackknife pseudo-value based model and an analysis of variance model with correlated errors. Included are tools for (1) calculating a variety of free-response figures of merit; (2) sample size estimation for planning a future study based on pilot data; (3) viewing empirical operating characteristics in receiver operating characteristic and free-response paradigms; (4) producing formatted report files; and (5) saving a data file in appropriate format for analysis with alternate software.

We seek input from all users on this new software and documentation. Any significant help will be acknowledged.

Following are links of three PDF files to help you install, use and understand the package.

Install and Run RJafroc (for the R novice but could be useful to others). The code examples in this document are available at Downloads under "Example code to test RJafroc"

RJafroc User Manual

Statistical Methods and More Examples

Dev P. Chakraborty, Ph. D. | Maintainer & Bugs Report: Xuetong Zhai, M.S. | 2103 Noble Ct, Murrysville PA 15668 | ©2005