Changes in Version 1.23.1 (2020-04-18) * ASSIGN no longer changes the working directory * ASSIGN requires that output files do not exist before functions run Changes in Version 1.17.2 * Bugfix ComBat.step2 by forcing ComBat input to be a matrix * Added new argument to assign.wrapper to specify direction of signature genes. * parameters file in assign.wrapper is now in yaml format.