===== Input data panel =====

In the input data panel, we must introduce the expression data.
{{ :differential_signaling_input.png?nolink |}}
The **[[https://en.wikipedia.org/wiki/Gene_expression_profiling|expression data]]** is a gene expression matrix provided by ourselves (see how to upload files in [[upload_your_data|Upload your data]]).\\ When we select a gene expression file, the number of samples of this matrix will appear under the "file browser" button as shown below.
{{ ::diffnumbersamples.png?nolink |}}