MeltDBWiki/HowTos

Using the public MeltDB experiments

• Login to the public MeltDB project using the guest account:

  MeltDB guest login

• To analyze the publicly available datasets in MeltDB, please select 'Browse/Analyse an existing Experiment' from the start page.

  File:MeltDBWiki$$HowTos$startpage.png

• Select the 'Three carbon sources' experiment by clicking on the folder icon to the left.

• The textual display of the experiment is presented and a number of potential actions together with their short descriptions are listed below.

• Please select 'Show PCA' to start the PCA analysis on the previously imported peaks found by Xcalibur preprocessing methods.
• Select all chromatograms and a list of metabolites and click the 'Compute PCA' button. If you would like to log-transform the measured and normalized metabolite values, mark the 'log' checkbox.