Summarize the column of matrices

Description

Compute column wise summary values of a matrix.

Usage

colSummarizeAvg(y)
colSummarizeAvgLog(y)
colSummarizeBiweight(y)
colSummarizeBiweightLog(y)
colSummarizeLogAvg(y)
colSummarizeLogMedian(y)
colSummarizeMedian(y)
colSummarizeMedianLog(y)
colSummarizeMedianpolish(y)
colSummarizeMedianpolishLog(y)

Arguments

Details

This groups of functions summarize the columns of a given matrices.

colSummarizeAvg
Take means in column-wise manner
colSummarizeAvgLog
log2 transform the data and then take means in column-wise manner
colSummarizeBiweight
Summarize each column using a one step Tukey Biweight procedure
colSummarizeBiweightLog
log2 transform the data and then summarize each column using a one step Tuke Biweight procedure
colSummarizeLogAvg
Compute the mean of each column and then log2 transform it
colSummarizeLogMedian
Compute the median of each column and then log2 transform it
colSummarizeMedian
Compute the median of each column
colSummarizeMedianLog
log2 transform the data and then summarize each column using the median
colSummarizeMedianpolish
Use the median polish to summarize each column, by also using a row effect (not returned)
colSummarizeMedianpolishLog
log2 transform the data and then use the median polish to summarize each column, by also using a row effect (not returned)

Value

A list with following items:

Author(s)

B. M. Bolstad bmb@bmbolstad.com

Examples

y <- matrix(10+rnorm(100),20,5)

colSummarizeAvg(y)
colSummarizeAvgLog(y)
colSummarizeBiweight(y)
colSummarizeBiweightLog(y)
colSummarizeLogAvg(y)
colSummarizeLogMedian(y)
colSummarizeMedian(y)
colSummarizeMedianLog(y)
colSummarizeMedianpolish(y)
colSummarizeMedianpolishLog(y)