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normalize

normalize data before feeding som algorithm


Description

Normalize the data so that each row has mean 0 and variance 1.

Usage

normalize(x, byrow=TRUE)

Arguments

x

a data frame or matrix of input data.

byrow

whether normalizing by row or by column, default is byrow.

Value

An dataframe or matrix after the normalizing.

Author(s)

Jun Yan <jyan@stat.uiowa.edu>

See Also


som

Self-Organizing Map

v0.3-5.1
GPL (>= 3)
Authors
Jun Yan <jyan@stat.uconn.edu>
Initial release
2010-04-08

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