Transformation processes


Cox Lab


November 15, 2023

1 General

  • Type: - Matrix Processing
  • Heading: - Basic (Processing)
  • Source code: not public.

===== Brief description =====

All values in the specified columns are transformed according to the given formula.

Output: The output matrix has the same structure as the input matrix. Values in the selected columns will be transformed.

2 Parameters

2.1 Transformation

The specified transformation formula (default: \(log_2(x)\)) that should be applied to all cells in the selected columns. The variable name is \(x\). Numbers with \(.\) are reagrded decimal point, \(+\), \(-\), \(*\), \(/\) and ^ can be used as well as scientific notation (e.g. \(2.9e^{-15}\)) is supported. Predefined functions can also be used, whose argument has to be enclosed by round brackets, e.g. \(sin(2*x)\).

2.2 Columns

Selected expression and/or numerical columns, where the transformation should be applied (default: all columns are selected).

#Parameter window

Perseus pop-up window: Basic -> Transform