Wiktionary - Recent changes [en]: r codes

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r codes Jul 4th 2013, 03:50, by Shirya Latest revision as of 03:50, 4 July 2013 English[edit] Bioconductor is a unique website for downloading packages and using in R scripting language for conducting the data analysis. Its especially useful in Micro array data analysis. Following is the attempt to summarize some R codes for analyzing one channel micro array data in R language. //* Reading files, normalizing expression values, getting expression values, exporting values*// library(affy); // Package to be downloaded from R Bio conductor data <- ReadAffy() // Reading data in R Norm_data <- Mas.5(data) // mas.5 Normalization of data 0r Norm_data <- RMA(data) // RMA Normalization of data Norm_data_log_transform <- log2(Norm_data) //log to base 2 for getting gene expression values gene_expression <- exprs(Norm_data_log_transform); //getting the expression values write.table("gene_expression_values.csv", header = TRUE, sep = ","); //writing the table Noun[edit] r codes (plural r codess) This section is a stub.You can help Wiktionary by replacing {{sectstub}} with a proper definition.

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