2.13.4.1 friedman(Pro)
Menu Information
Statistics: Nonparametric Tests: Friedman ANOVA
Brief Information
Perform a Friedman ANOVA
Additional Information
This feature is for OriginPro only.
Command Line Usage
- friedman irng:=(col(a),col(b),col(c));
- friedman irng:=(col(a),col(b),col(c)) rt:=<new: Friedman>;
Variables
Display Name
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Variable Name
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I/O and Type
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Default Value
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Description
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Input Data Form
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type
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Input
int
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0
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Specify the input data form.
Options:
- Indexed
- Input data range, including input data, factor and subject.
- Example:
- Friedman irng:=(1,2,3)
- In this example, input data should be stored in the first column, input factor values(treatments) should be stored in the second column, and input subject values(blocks) should be stored in the third column.
- Raw
- The input data are at least two data columns.
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Input
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irng
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Input
Range
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<active>
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Specify the input data.
For indexed data, the input data range includes input data, factor values (treatments), and subject values (blocks). The input data range must be balanced design.
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Significance Level
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alpha
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Input
double
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0.05
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Specify the significance level of the test.
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Output Results
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rt
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Output
ReportTree
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[<input>]<new>
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Output results, including report table of Descriptive Statistics, Ranks, and Test Statistics.
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Examples
Let us take the below indexed data as an example.

- By Script
Activate the worksheet with data, and then run friedman irng:=(col(a),col(b),col(c)) rt:=<new: Friedman>; in Command Window.
This script will return friedman ANOVA for specified input data columns. In the script, column a should be input data range, column b should be input treatment range (factor range), and column c should be input block range (subject range). The results will output to a new worksheet named Friedman.
- By Menu
- Activate the worksheet with the data, and then select Statistics: Nonparametric Tests: Friedman ANOVA to open the friedman dialog.
- Select the input range as in the following image:

- Click the OK button to get the below result.

More Information
For more information, please refer to our User Guide.
References
Nag C Library Function Document, nag_friedman_test (g08aec)
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