filtering

Filtering data by certain floor, ceiling, max/min ratio, and max - min difference.

manip

Self-Organizing Map (with application in gene clustering).

Jun Yan

Self-Organizing Map

filtering function

<dl> <dt>x</dt>
<dd>a data frame or matrix of input data.</dd> <dt>lt</dt>
<dd>floor value replaces those less than it with the value</dd> <dt>ut</dt>
<dd>ceiling value replaced those greater than it with the value</dd> <dt>mmr</dt>
<dd>the max/min ratio, rows with max/min &lt; mmr will be removed</dd> <dt>mmd</dt>
<dd>the max - min difference, rows with (max - min) &lt; mmd will be removed</dd></dl>

Arguments

Jun Yan &lt;jyan@stat.uiowa.edu&gt;

Author

Filter data before feeding som algorithm for gene expression data — filtering

<dl>

 <dt>x</dt>
<dd>a data frame or matrix of input data.</dd>

 <dt>lt</dt>
<dd>floor value replaces those less than it with the value</dd>

 <dt>ut</dt>
<dd>ceiling value replaced those greater than it with the value</dd>

 <dt>mmr</dt>
<dd>the max/min ratio, rows with max/min &lt; mmr will be removed</dd>

 <dt>mmd</dt>
<dd>the max - min difference, rows with (max - min) &lt; mmd will be removed</dd>

</dl>

filtering: Filter data before feeding som algorithm for gene expression data

Description

Usage

Value

Arguments

Author

See Also