Z-Score Normalization

SOM Analyst

Z-Score Normalization

Creates a database file with Z-score values.

ArcGIS Reference

../../_images/Zscore.png

Parameters

input database file
The input database file.
normalize by
The column by which to normalize data.
output database file
The output database file.
division by zero value (std. dev = 0)
The value to assign if there is a division by zero.
decimal places to round to
The number of decimal places to which to round numbers.
columns
The columns to normalize. If no columns are selected, all columns will be normalized.

Code Reference

uiNormZ.normalize(inName, outName, direction, zeroDivision, decimalPlaces, fieldNames)

Creates a DBF with Z-score normalized values from an existing DBF.

Arguments :
inName

The input DBF filename.

outName

The ouput DBF filename.

direction

The direction in which to determine minimum and maximum values in the input range.

zeroDivision

The value to assign if their is a division by zero.

decimalPlace

The number of decimal places to which numbers should be rounded.

fieldNames

The fields on which to perform the normalization.