Description Usage Arguments Value Author(s) References Examples

DataTrim cleans the data through a pseudo winsorization algorithm. First, the mean and SD are calculated. Then, any values above 2SD are trimmed.The mean is recalculated and any values less then 2 SD are trimmed.This process of cutting 2 SD above the mean and then 2 SD below the mean is repeated until no further cuts are possible.

1 | ```
dataTrim(chipdata)
``` |

`chipdata` |
chipdata is a vector of chipdata from microarray chips. |

Returns a vector of trimmed chipdata representing background based on pseudo winsorization algorithm.

Choudary L Jagarlamudi

Dozmorov I,Centola,M. An associative analysis of gene expression array data. Bioinformatics.2003 Jan22;19(2):204-11

Knowlton N,Dozmorov I, Centola M. Microarray data Analysis Tool box(MDAT): for normalization,adjustment and analysis of gene expression data. Bioonformatics.2004 Dec 12;20(18):3687-90

1 | ```
#see normalize for details
``` |

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