Statbeans

 

ProbabilityPlot STATBEAN®

 

Purpose: Creates a probability plot for a single column of numeric data. Allows Statgraphics to function as a probability statistics calculator.

DataSource: Any. 

probabilityplot


Probability Statistics Calculator Read/Write Properties
Name Type Description Possible Values Default Value
distribution String Type of distribution for which plot is constructed. "Exponential",
"Extreme Value",
"Logistic",
"Lognormal",
"Normal",
"Uniform",
"Weibull"		 "Normal"
drawLine boolean Whether to add a line to the plot. true,false true
drawVertical boolean Whether to plot the percentages on the vertical axis. true,false true
tablewiseExclusion boolean Whether all rows of the data table containing a missing value in any column should be excluded from the plot. true,false false
xVariableName String The name of the column with data values to be plotted on the horizontal axis. Any string. ""
Probability Statistics Calculator Code Sample

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

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

//create a chart bean 
ProbabilityPlot probabilityplot1 = new STATBEANS.ProbabilityPlot(); 

//set the column to be plotted 
probabilityplot1.setXVariableName("strength"); 

//define the plot type 
probabilityplot1.setDistribution("Normal"); 

//show the plot 
add(probabilityplot1); 

//make the plot bean a listener for changes in the FileDataSource bean 
fileDataSource1.addDataChangeListener(probabilityplot1.listenerForDataChange); 

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