---
title: Tabulation STATBEANS® | Java Beans For Statistical Procedures
description: Tabulation STATBEANS® is a collection of Java Beans which compute statistics which may then be accessed by user programs.
---

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<https://www.statgraphics.com/statbeans/calculations/tabulation#anchor3>

# Calculation STATBEANS®

 

**STATBEAN Name:** Tabulation

 

**Purpose:** Tabulates a single column of data. For categorical data, finds the frequency of all unique values. For numeric data, finds the frequency within specified intervals. 

**DataSource: **any. 

**Read/Write Properties**

| **Name** | **Type** | **Description** | **Possible Values** | **Default Value** |
| --- | --- | --- | --- | --- |
| by | double | Width of intervals (continuous data only). | Any double value > 0. | 0.1 |
| caseSensitive | boolean | Whether placing data values into classes is case sensitive. | true,false | false |
| combineClassCriterion | double | Value at or below which classes are combined. | any double | 1.0 |
| combineClassLabel | String | Label for the combined class, if any. | Any string. | "Other" |
| combineClassMethod | String | Method for combining classes. | "None", "Frequency", "Percentage" | "None" |
| dataType | String | The type of data to be tabulated. If Categorical, shows unique values. If Discrete, shows all integer values. If Continuous, shows number of values within intervals. | "Categorical", "Discrete", "Continuous" | "Categorical" |
| from | double | Lower limit for first interval (numeric data only). | Any double value. | 0.0 |
| to | double | Upper limit for last interval (numeric data only). | Double value > from. | 1.0 |
| xVariableName | String | The name of the first column with data values to be tabulated. | Any string. | "X" |
| yVariableName | String | The name of the second column (if any) with data values to be tabulated. | Any string. | "" |

**Other Public Methods**

| **Name** | **Description** | **Arguments** | **Return Value** |
| --- | --- | --- | --- |
| String getLabels() | Returns the labels for each class, separated by a tab character. | None. | Labels. |
| int getCountAbove() | For Continuous datatype, the number of data values greater than the last class. | None. | Number of values. |
| int getCountBelow() | For Continuous datatype, the number of data values less than the first class. | None. | Number of values. |
| double getLowerLimit() | For Continuous and Discrete datatypes, the lower limit of the first class. | None. | Lower limit. |
| int getMean() | For Continuous and Discrete datatypes, the sample mean for the first variable. | None. | Mean. |
| int getMean2() | For Continuous and Discrete datatypes, the sample mean for the second variable. | None. | Mean. |
| int getNumberOfClasses() | Returns the number of classes k into which the data was tabulated. | None. | Number of classes. |
| int getSigma() | For Continuous and Discrete datatypes, the sample standard deviation for the first variable. | None. | Standard deviation. |
| int getSigma2() | For Continuous and Discrete datatypes, the sample standard deviation for the second variable. | None. | Standard deviation. |
| int getTotalCount() | Returns the sum of the frequencies for the first variable. | None. | Total count. |
| int getTotalCount2() | Returns the sum of the frequencies for the second variable. | None. | Total count. |
| double getUpperLimit() | For Continuous and Discrete datatypes, the upper limit of the last class. | None. | Upper limit. |

**Output Variables**

| **Name** | **Description** |
| --- | --- |
| Frequency | Numbers of data values in each class for the first variable. |
| Frequency2 | Numbers of data values in each class for the second variable. |
| Label | Labels for each class. |
| Percentage | Percentage of data values in each class for the first variable. |
| Percentage2 | Percentage of data values in each class for the second variable. |

**Code Sample** 

//create a datasource bean   
FileDataSource fileDataSource1 = new STATBEANS.FileDataSource(); 

//set the file name to be read   
fileDataSource1.setFileName("c:\\\\statbeans\\\\samples\\\\cardata.txt"); 

//create a calculation bean   
Tabulation tabulation1 = new STATBEANS.Tabulation(); 

//set the column to be tabulated   
tabulation1.setXVariableName("year"); 

//set the desired ordering for the tabulation   
tabulation1.setOrdering("Alphabetical"); 

//create a table bean   
FrequencyTable frequencyTable1 = new STATBEANS.FrequencyTable(); 

//create 2 plot beans   
Barchart barchart1 = new STATBEANS.Barchart();   
Piechart piechart1 = new STATBEANS.Piechart();

//set the display name   
frequencyTable1.setClassName("Year");   
barchart1.setClassName("Year");   
piechart1.setClassName("Year"); 

//scale the axis by class percentage   
barchart1.setScaleByPercentage(true); 

//request labels at the ends of the bars   
barchart1.setBarLabels("Frequency"); 

//add lines from slices   
piechart1.setLinesToLabels(true); 

//offset a slice   
piechart1.setHighlightSlice1(5); 

//make the calculation bean a listener for changes in the FileDataSource bean   
fileDataSource1.addDataChangeListener(tabulation1.listenerForDataChange); 

//make the table and plot beans listeners for changes in the calculation bean   
tabulation1.addDataChangeListener(frequencyTable1.listenerForDataChange);   
tabulation1.addDataChangeListener(barchart1.listenerForDataChange);   
tabulation1.addDataChangeListener(piechart1.listenerForDataChange); 

//instruct the fileDataSource bean to read the file   
fileDataSource1.readData();

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