Differences

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--- data_matrix_expression_file [2016/04/06 14:26] – fsalavert
+++ data_matrix_expression_file [2017/05/24 15:27] (current) – external edit 127.0.0.1
@@ Line 6: / Line 6: @@
-This file has two columns if there is only one sample, and more than two columns if there are many samples. First line is a header and must contain the names of the samples. The first column correspond to gene, probe or protein Ids from:
+This file has two columns if there is only one sample, and more than two columns if there are many samples.
+The first line is a header and must contain the sample names.
+The first column corresponds to genes, probes or proteins, and the following IDs are accepted:
   - Ensembl gene
@@ Line 19: / Line 21: @@
 The next columns correspond to gene expression values in numeric format from each sample.
-Here is an example:
+Here is an example of a file with only one example:
-<code - expression.txt>
+<code>
-id sample1
+id	sampleName
+	0.3
+	1
+	0.73
 </code>
+And here is another example with more than one sample:
+<code>
+id	sample1	sample2	sample3
+	0.31	0.6	0.24
+	1	0.81	0.91
+	0.7	0.9	0.3
+	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.