Hi Isaac, BioMart displays "no data" when an empty string or NULL value is retrieved.
Can you check that the column value is NULL instead of the string 'NULL'? Cheers, -jack From: Isaac cano <[email protected]<mailto:[email protected]>> Date: Fri, 26 Aug 2011 03:47:02 -0400 To: BioMart Users <[email protected]<mailto:[email protected]>> Subject: [BioMart Users] linkouturl for an attribute with no data Dear BioMart users, In our local database we store the PubMed IDs of experiments and we use the linkouturl property of the corresponding attribute in BioMart 0.8 rc6 to set a link for this attribute in the query results that links with the corresponding article in PubMed. It is the case that we have experiments with no PubMed IDs so in the query results we still get a link that if the attribute in the database is NULL by default the link is like NULL<http://www.ncbi.nlm.nih.gov/pubmed?term=NULL>. I've seen that for example Ensembl present a "no data" value for those cases were actually there is no data but in this case the link is disabled. Is there a way to tell to BioMart not to create a link for attributes with no data ? Thanks in advance, -- Isaac Cano Bioinformatics Linkcare Health Services SL C/Villarroel 170 08036 - Barcelona Tel.: (+34)932 275 400, ext. 4182\4523 Mobile: (+34) 666 186 748 Fax: (+34) 932 275 455 [email protected]<mailto:[email protected]>
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