Additional Operations

The Histogram, Statistics, and Console tools display additional information about data displayed in the iTool windows, and about operations performed with the iTools.

Plotting a Histogram

Histogram displays a histogram plot of the data currently selected in the iTool window. The Histogram plot appears in a separate iPlot window.

Figure 7-11: Histogram Plot

To display a histogram plot:

Select an object or group of objects in the iTool window.

Select Operations → Histogram.

Displaying Statistics

The Statistics dialog displays all available statistical information pertaining to the object or objects currently selected in the iTool window.

To display the Statistics dialog:

Select an object or a group of objects in the iTools window.

Select Operations → Statistics. The Statistics window is displayed.

Figure 7-12: The iTools Statistics Window

The information displayed in the Statistics window varies depending upon the type of objects selected.

For scalars, the name of the variable and its value are displayed in the Statistics window.

For arrays, the following information is displayed:

Name

Maximum and location

Dimensions

Standard deviation

Mean

Variance

Absolute deviation

Total

Skewness

Minimum & location

Kurtosis - 3

The information in the Statistics window can be edited (by selecting Edit), printed, or saved as a file.

On Windows platforms, the standard Windows editing context menu containing Cut, Copy, Paste and Delete commands can be displayed by right-clicking anywhere in the Statistics window.

On UNIX platforms, use the left or right mouse buttons to cut, copy or paste.

To save the text as an ASCII file:

Select File → Save As.

Enter a filename. If the filename already exists, you will be asked if you want to replace the file.

Select Cancel to return to the Statistics window without saving the file.

To print the text, select File → Print. The standard Windows or Motif printer dialog is displayed.

To close the Statistics window, select File → Close.