Hi, is their any difference between Go and Go enrichment analysis, I have done go analysis using http://www.webgestalt.org/option.php, is their any innovative way to represent Go results rather than heat map?
how much we can rely on these data sets?
I would suggest to have a look at the list of GO enrichment analysis tools posted on the Gene Ontology Consortium website:
http://www.geneontology.org/page/go-enrichment-analysis
GO annotation is the process by which you assign a functional category to proteins. The gene ontology has peculiar properties with respect to e.g. kegg annotations. First of all it is hierarchical, meaning that there are categories nested within larger categories and so on.
GO enrichment analysis instead is the process by which, given a group of genes (e.g. differentially expressed genes in a certain condition) and a GO annotation of the full genome, you identify the processes that are enriched in the input group. In this way you can assess if your group of genes has some coherent functional signal.
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