Category:Protocols

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Revision as of 02:17, 16 August 2012 by Dmarshall (talk | contribs)

Load the data

The data can be prepared in csv or text file to load the data in to R

Type: read.csv("your file name.csv")

e.g data <- read.csv (“list.csv”)

To name the rows of the heat map

Type: Row.names(data) <- data$Name

To exclude the first column from the heat map

Type:Data <- data [,2: n]

 where n is the number of columns to be included in the heat map

To change the loaded data in to data matrix

Type: Data_matrix <- data.matrix (data)

To use gnuplot library

 Note: Gnuplot package must be installed in R.

Type:library("gplots")

To make heat map

Type: heatmap.2 (Data_matrix, dendrogram="row", col= redgreen (75), scale="none", key = TRUE, keysize = 1.0, margins = c(4,30), density.info="none", trace="none")

Subcategories

This category has the following 22 subcategories, out of 22 total.

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