Difference between revisions of "SOCR EduMaterials AnalysesCommandLineMultiRegression"

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(→‎Example Input data files)
(entered the new format of the MLR CSV interface as of July 2011)
 
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* The command-line interface to SOCR Analyses generally uses '''EXAMPLE 1''' from the list of example data files for the corresponding analysis.
 
* 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).
 
* 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)
+
* 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), use "-z" if there is no header.
−
* Number of variables can be indicated at the end (after '''-h''' flag). If no number of model parameter is included, 3 is set defaulted.
+
* Independent Variables (predictors/regressors), and their interactions, are specified by: "-regressors Var1,Var2,Var3,Var1*Var2", and so on.
 +
* The Dependent (response) variable is specified by "-response ResponseVariable"
  
 
==Multiple Regression Usage==
 
==Multiple Regression Usage==
 
* Generic Setting:
 
* Generic Setting:
 
<code>
 
<code>
−
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
+
java -cp [SOCRjar_location]/SOCR_core.jar:[SOCRjar_location]/SOCR_plugin.jar edu.ucla.stat.SOCR.analyses.command.MultiRegressionCSV [data_location]/m.txt -h -regressors Var1,Var2,Var3,Var1*Var2 -response ResponseVar
 
</code>
 
</code>
  
−
* 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.
+
* Example: Edit a new file (MultiRegressionCSV.csh) using any editor and paste this inside (make sure the file has executable permissions). Some operating systems/platforms may require variants of this (C-shell) script.
 
<code>#!/bin/csh</code>
 
<code>#!/bin/csh</code>
  
 
<code>date</code>
 
<code>date</code>
  
−
<code>java -cp /cxfs/ccb/CCB_SW_Tools/others/Statistics/SOCR_Statistics/bin/SOCR_core.jar:/
+
<code>java -cp /ifs/ccb/CCB_SW_Tools/others/Statistics/SOCR_Statistics/bin/SOCR_core.jar:/ifs/ccb/CCB_SW_Tools/others/Statistics/SOCR_Statistics/bin/SOCR_plugin.jar edu.ucla.stat.SOCR.analyses.command.MultiRegressionCSV /ifs/ccb/CCB_SW_Tools/others/Statistics/SOCR_Statistics/SOCR_CSV_test_Scripts_Data/m.txt -h regressors X,Y,X*Y -response Z</code>
−
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</code>
 
  
 
<code>date</code>
 
<code>date</code>
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{| class="wikitable" style="text-align:center" border="1" cellpadding="2"
 
{| class="wikitable" style="text-align:center" border="1" cellpadding="2"
 
|-
 
|-
−
!  
+
! colspan="3"| m.txt
−
! m.txt
 
−
!
 
 
|-
 
|-
−
| x
+
! x || y || z
−
| y
 
−
| z
 
 
|-
 
|-
 
| 968.0
 
| 968.0
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| 0.4
 
| 0.4
 
|-
 
|-
−
| 93.0  
+
| 588.0
−
| 102.0
+
| 91.0
 +
| 12.0
 
|-
 
|-
−
| 75.0  
+
| 640.0  
−
| 80.0
+
| 92.0
 +
| 34.0
 
|-
 
|-
−
| 87.0  
+
| 4743.0  
−
| 90.0
+
| 952.0
 +
| 100.0
 
|-
 
|-
−
| 130.0
+
| 566.0
−
| 135.0
+
| 109.0
 +
| 17.0
 
|-
 
|-
−
| 125.0
+
| 325.0
−
| 135.0
+
| 167.0
 +
| 518.0
 
|-
 
|-
−
| 126.0
+
| 118.0
−
| 131.0
+
| 30.0
 +
| 226.0
 
|-
 
|-
−
| 104.0  
+
| 115.0
−
| 110.0
+
| 35.0
 +
| 12524.0
 +
|-
 +
| 1545.0
 +
| 298.0
 +
| 91.0
 +
|-
 +
| 1302.0
 +
| 203.0
 +
| 68.0
 +
|-
 +
| 262.0
 +
| 41.0
 +
| 8.1
 +
|-
 +
| 2207.0
 +
| 544.0
 +
| 180.0
 +
|-
 +
| 1410.0
 +
| 254.0
 +
| 129.0
 +
|-
 +
| 833.0
 +
| 150.0
 +
| 49.0
 +
|-
 +
| 669.0
 +
| 136.0
 +
| 27.0
 +
|-
 +
| 911.0
 +
| 147.0
 +
| 76.0
 +
|-
 +
| 1037.0
 +
| 146.0
 +
| 72.0
 +
|-
 +
| 1196.0
 +
| 46.0
 +
| 31.0
 +
|-
 +
| 616.0
 +
| 157.0
 +
| 314.0
 +
|-
 +
| 766.0
 +
| 255.0
 +
| 655.0
 +
|-
 +
| 2120.0
 +
| 403.0
 +
| 137.0
 +
|-
 +
| 841.0
 +
| 189.0
 +
| 43.0
 +
|-
 +
| 648.0
 +
| 85.0
 +
| 46.0
 +
|-
 +
| 1289.0
 +
| 234.0
 +
| 63.0
 +
|-
 +
| 259.0
 +
| 38.0
 +
| 4.6
 
|}
 
|}
 
</center>
 
</center>
  
−
{{translate|pageName=http://wiki.stat.ucla.edu/socr/index.php?title=SOCR_EduMaterials_AnalysesCommandLineSimpleRegression}}
+
{{translate|pageName=http://wiki.stat.ucla.edu/socr/index.php?title=SOCR_EduMaterials_AnalysesCommandLineMultiRegression}}

Latest revision as of 21:40, 26 July 2011

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.

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), use "-z" if there is no header.
  • Independent Variables (predictors/regressors), and their interactions, are specified by: "-regressors Var1,Var2,Var3,Var1*Var2", and so on.
  • The Dependent (response) variable is specified by "-response ResponseVariable"

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 -regressors Var1,Var2,Var3,Var1*Var2 -response ResponseVar

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

#!/bin/csh

date

java -cp /ifs/ccb/CCB_SW_Tools/others/Statistics/SOCR_Statistics/bin/SOCR_core.jar:/ifs/ccb/CCB_SW_Tools/others/Statistics/SOCR_Statistics/bin/SOCR_plugin.jar edu.ucla.stat.SOCR.analyses.command.MultiRegressionCSV /ifs/ccb/CCB_SW_Tools/others/Statistics/SOCR_Statistics/SOCR_CSV_test_Scripts_Data/m.txt -h regressors X,Y,X*Y -response Z

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
588.0 91.0 12.0
640.0 92.0 34.0
4743.0 952.0 100.0
566.0 109.0 17.0
325.0 167.0 518.0
118.0 30.0 226.0
115.0 35.0 12524.0
1545.0 298.0 91.0
1302.0 203.0 68.0
262.0 41.0 8.1
2207.0 544.0 180.0
1410.0 254.0 129.0
833.0 150.0 49.0
669.0 136.0 27.0
911.0 147.0 76.0
1037.0 146.0 72.0
1196.0 46.0 31.0
616.0 157.0 314.0
766.0 255.0 655.0
2120.0 403.0 137.0
841.0 189.0 43.0
648.0 85.0 46.0
1289.0 234.0 63.0
259.0 38.0 4.6

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