SNP Track QA: Difference between revisions

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If you have any general questions about snps this is a good resource: http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=helpsnpfaq.  In addition to the SNP-specific checks on this page, be sure to follow the [[New_track_checklist | new track checklist]], too.
This page is no longer maintained.
 
* look at mysql tables
** check that the number of exceptions listed in snp###Exceptions and snp###ExceptionDesc match
** make sure that there are no exceptions in the snp###Exceptions that do not also exist in the snp###ExceptionDesc table
** If possible, compare to old SNP tables for this species. Look for big jumps in the number of different func types of SNPs as well as the number and type of exceptions.
** check that func types in snp### table are documented in the html, both in the methods and in the check boxes. If there are new func types, make sure they are displayed correctly in the browser
** check that the weights column in snp### are only 1,2 or 3
** look the names of the snps. Make sure that they make sense (no extraneous ones, all lower case, etc). The checkHgFindSpec tool with the -checkTermRegex option will check that all of the names in the snp### table match the regular expression specified in trackDb.  There is not an option to run it on a single table, so just run it on the whole database and look for output specific to the snp table.  For instance:
 
  checkHgFindSpec -checkTermRegex hg19
 
*  check settings (hgTrackUi and clicking on individual snp)
** make sure that all settings that you can select for are present in mysql tables and vice versa
** make sure that methods mention all func types that you can select in trackUi
** check that can turn different gene tracks on in the trackUi
 
** look at featureBits/Coverage for main snp table as well as the dbCoding and the ortho table. Also check coverage of haplo chromosomes.
** see how coverage compares to old snp track if possible. Also when open up the track, most snps should match to the same place (though some will change)
 
** make sure appropriate entries in hgFindSpec (this is very important for snps since the table is so large). Check that entries in hgFindSpec work by searching for some snps.
** make sure track "turns off" when viewing large regions (table too large to load for large regions)
** look at large snp insertions/deletions and check that display correctly in hgTracks and hgTrackUi
 
*  description
** make sure external files mentioned at the end of the html page exist at ncbi
 
*  default position - is it turned on by default?
 
==AT RELEASE BE SURE TO:==
# push tableDescriptions and hgFindSpec
# edit trackDb.ra so that old snp track is hidden by default if needed
# make announcement on genome announce
# notify Mark D so he can update LS-SNP
# notify Galt so he can default to most current snp track in genome graphs
 
[[Category:Browser QA tracks]]

Latest revision as of 19:32, 10 March 2011

This page is no longer maintained.