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--- expression_matrix_file_format [2016/04/26 13:05] – created fsalavert
+++ expression_matrix_file_format [2017/05/24 14:33] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 ====== Expression matrix file format ======
-Data matrix expression file is a Tab-separated values file.
+Expression matrix file is a Tab-separated values file.
 A tab-separated values (TSV) file is a simple text format for storing data in a tabular structure (e.g. database or spreadsheet data). Each record in the table is one line of the text file. Each field value of a record is separated from the next by a tab stop character. [[https://en.wikipedia.org/wiki/Tab-separated_values|More about TSV...]]
@@ Line 25: / Line 25: @@
 <code>
 id	sampleName
-	0.3
+Gene1	0.3
-	1
+Gene2	1
-	0.73
+Gene3	0.73
 </code>
@@ Line 34: / Line 34: @@
 <code>
 id	sample1	sample2	sample3
-	0.31	0.6	0.24
+Gene1	0.31	0.6	0.24
-	1	0.81	0.91
+Gene2	1	0.81	0.91
-	0.7	0.9	0.3
+Gene3	0.7	0.9	0.3
-	0.23	0.45	0.33
+Gene4	0.23	0.45	0.33
 </code>
-You can download an usable example file from {{:brca_example1_40_exp.txt|here}}
 **Note**: If probe expression values are provided, these are recodified to gene expression values, obtained as the average value of all the probes mapping in the gene.