Statistics

This tab show the statistics calculated by Explore Data.

Attributes are listed the Statistics grid. For each attribute, the name, data type, histogram and summary statistics are displayed.

To view a large version of the histogram for an attribute, select the attribute. The histogram is displayed below the grid. If the attribute has null values, the histogram has a separate bin labeled Null bin. The histogram may also contain an Others bin consisting of values that are not NULL but are not in any other bin.

For more information about the histogram, go to the large histogram and right-click the attribute name. These choices are available:

Histograms created by Oracle Data Miner use a sample of the data and be slightly different each time they are displayed.

For all data types, a histogram is created; the number of distinct values, the percent of NULL values and the number of distinct values are displayed.

Additional statistics calculated depend on the data type of the attribute: