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License: Other
A command line tool to for evaluating classifier performance
License: Other
clperf - evaluating classifier performance ========================================== The program clperf is a simple command line tool that can be used to evaluate the performance of classification procedures. As input it accepts an ASCII file that contains tab-separated values (TSV) in which one column identifes the true label, and another column stores the actual prediction value produced by the classifer. The purpose of clperf is then to calculate measures such as ROC or Precision/Recall on the input. While there are many extensions for statistcal software available that follow a similar goal, clpref has some interesting features such as: - employs external memory algorithms and thus allows to handle large input files (beyond capablities of the computers physical memory) can be run - it is a command line tool and thus easily scriptable - samples the resulting graph in an equi-distance manner - the result can be written in various formats for further processing - code is written in portable ISO C99 Building ======== In order to build clperf, simply type make after the command prompt. The executable is generated in the same directory. Usage ===== clperf [OPTION] INPUT LABELCOL PREDCOL INPUT is the file name of the TSV LABELCOL is the column number (0-based) of the label The label is either a 0 (negative class) or 1 (positive class) PREDCOL is the column number (0-based) of the prediction a negative column number indicates that the order is reversed Currently, clperf writes an R script to the stdout that, when invoked within R, draws a ROC and Precision/Recall plot. Note that this may change in the future. Refer to the built-in help that can be seen via the --help option to learn more about possible options and their effect. Contact ======= You can reach the author by writting an email to [email protected] License ======= The program clperf is written by Sebastian Bauer and released under the conditions of the AGPL. See the License file for more details.
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