Multivariate Analysis for D* Reconstruction: The Delta G / G measurements in the COMPASS experiment is done using reconstructed D* mesons. Up to now the D* mesons are selected using independent cuts in different variables. The efficiency and purity of the selected sample can be improved by applying a multivariate analysis on the reconstructed data. The aim of the project is to study a multivariate analysis method (Range Search or Neuronal Network) and find an optimized configuration for D* selection.