This selection displays the histogram for the selected attribute.
The display indicates the Data Source in the form SCHEMA.TABLE
or SCHEMA.VIEW
.
You can view the histogram in a horizontal or vertical orientation. To change the orientation, click the appropriate radio button under Graph orientation. (The default orientation is Vertical; you can select Horizontal.)
The exact information displayed depends on the datatype of the attribute, as follows:
NUMBER
or FLOAT
) attributes, the histogram and the bins are displayed along with the following statistics: Minimum Value, Maximum Value, Average Value, Sigma (Standard Deviation), Skew (a measure of the asymmetry of the distribution), and Kurtosis (a measure of flatness or peakedness of the curve describing a frequency distribution in the region about its mode).Histograms created by Oracle Data Miner use a sample of the data and may be slightly different each time they are displayed; for details, see Histogram Differences.
Click OK to return to the Data Summarization Viewer.
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