SOCR EduMaterials AnalysesCommandLineMultiRegression

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Revision as of 23:43, 5 March 2008

This page includes the information on how to access the Multiple Regression library via shell-based command-line interface on local machines. More information about other SOCR Analyses command-line interfaces is available here.

Contents

Introduction

In addition to the graphical user interfaces, via a web-browser, all SOCR Analyses allow command-line shell execution on local systems.

General Usage

  • Get the latest SOCR JAR files from the SOCR page (http://socr.ucla.edu/htmls/jars/).
  • The command-line interface to SOCR Analyses generally uses EXAMPLE 1 from the list of example data files for the corresponding analysis.
  • All Input files are ASCII (see examples within each of the specific analyses).
  • a -h flag at the end of the command-line indicates that the first row in all ASCII input data files is a HEADER row (so it's not interpreted as data)
  • Number of variables can be indicated at the end (after -h flag). If no number of model parameter is included, 3 is set defaulted.

Multiple Regression Usage

  • Generic Setting:

java -cp [SOCRjar_location]/SOCR_core.jar:[SOCRjar_location]/SOCR_plugin.jar edu.ucla.stat.SOCR.analyses.command.MultiRegressionCSV [data_location]/m.txt -h [number_of_variables] 3

  • Example: Edit a new file (MultiRegressionCSV.csh) using any editor and paste this inside (make sure the file has executable permisions). Some operating systems/platforms may require variants of this (C-shell) script.

#!/bin/csh

date

java -cp /cxfs/ccb/CCB_SW_Tools/others/Statistics/SOCR_Statistics/bin/SOCR_core.jar:/ cxfs/ccb/CCB_SW_Tools/others/Statistics/SOCR_Statistics/bin/SOCR_plugin.jar edu.ucla. stat.SOCR.analyses.command.MultiRegressionCSV /cxfs/ccb/CCB_SW_Tools/others/Statist ics/SOCR_Statistics/SOCR_CSV_test_Scripts_Data/reg.txt -h 3

date

exit

Example Input data files

One test datafile is included with the SOCR analyses command-line distribution (m.txt). The ASCII content of each of these is included below. Note that the first lines in these files are column headers. This requires the "-h" flag at the end of the command line execution so that these first lines are interpreted as column headers.

m.txt
x y z
968.0 158.0 64.0
43.0 11.0 0.4
93.0 102.0
75.0 80.0
87.0 90.0
130.0 135.0
125.0 135.0
126.0 131.0
104.0 110.0


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