MeltDBWiki/HowTos: Difference between revisions

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== Using the public MeltDB experiments ==
== Using the public MeltDB experiments ==


Login to the public MeltDB project using the guest account:
* Login to the public MeltDB project using the guest account:
  [http://meltdb.cebitec.uni-bielefeld.de/cgi-bin/meltdb.cgi?login=guest&chksum=h/Zx4JEg6sz0I6hi97ZfsA&project=MeltDB_Public MeltDB guest login]


* [http://meltdb.cebitec.uni-bielefeld.de/cgi-bin/meltdb.cgi?login=guest&chksum=h/Zx4JEg6sz0I6hi97ZfsA&project=MeltDB_Public guest login]
* To analyze the publicly available datasets in MeltDB, please select 'Browse/Analyse an existing Experiment' from the start page.


To analyze the publicly available datasets in MeltDB, please
[[Image:MeltDBWiki$$UploadChromas$startpage.png]]
select 'Browse/Analyse an existing Experiment' from the start page.


[[Image:MeltDBWiki$$HowTos$startpage.png]];
* Select the 'Three carbon sources' experiment by clicking on the folder icon to the left.


Select the 'Three carbon sources' experiment by clicking
[[Image:MeltDBWiki$$HowTos$experiments.png]]
on the folder icon to the left.


[[Image:MeltDBWiki$$HowTos$experiments.png]];
* The textual display of the experiment is presented and a number of potential actions together with their short descriptions are listed below.


The textual display of the experiment is presented and
[[Image:MeltDBWiki$$HowTos$carbon_sources.png]]
a number of potential actions together with their short descriptions
are listed below.


[[Media:MeltDBWiki$$HowTos$carbon_sources.ext]];
* 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.


Please select 'Show PCA' to start the PCA analysis on the previously imported peaks
[[Image:MeltDBWiki$$HowTos$pca.png]]
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.
 
[[Image:MeltDBWiki$$HowTos$pca.png]]

Latest revision as of 17:12, 31 October 2011

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.
MeltDBWiki$$UploadChromas$startpage.png
  • Select the 'Three carbon sources' experiment by clicking on the folder icon to the left.
MeltDBWiki$$HowTos$experiments.png
  • The textual display of the experiment is presented and a number of potential actions together with their short descriptions are listed below.
MeltDBWiki$$HowTos$carbon sources.png
  • Please select 'Show PCA' to start the PCA analysis on the previously imported peaks found by Xcalibur preprocessing methods.
  • Select all chromatograms and a list of metabolites and click the 'Compute PCA' button. If you would like to log-transform the measured and normalized metabolite values, mark the 'log' checkbox.
MeltDBWiki$$HowTos$pca.png