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...n I run the following command. Do you know what might be the problem? Thanks in advance. > vcf.fn <- system.file("extdata","str.vcf",package="SNPRelate") > snpgdsVCF2GDS(vcf.fn,"test.gds") Start snpgdsVCF2GDS ... Extracting bi-allelic and polymorhpic SNPs. Scanning ... file: D:/Program Files/R/R-2.14.2/library/SNPRelate/extdata/str.vcf Error in scan.vcf.marker(fn, method) : The file (D:/Program Files/R/R-2.14.2/library/SNPRelate/extdata/str.vcf) has different numbers of columns. Best regrads -- Dr. Ye SUN Key Laboratory...

...simple terms) Question has_one Answer Answer belongs_to Question I also have Topic has_many Posts Post belongs_to Topic Now i am trying to make this really easy for me to Search, do specific queries like "Give me all the Questions that Jim asked..." etc. I tried using a polymorhpic association called Message that acts in between these types so each time I create a new Message a end up creating one of the Models above. But then I ran into some open source code and saw an implementation that used STI where they had a Message Model inheriting from a Communication Model. I li...