National idenftification number: Finland

December 30, 2012

(This article was first published on XRGB, and kindly contributed to R-bloggers)

The Finnish Social Security number (FSSn) is a common variable in a Finnish population based study. Within FSSn are individuals birthday, and gender. We can also check if the FSSn correct because it has a check digit. If the data doesn’t have birthday and gender variables or you want to check are they correct you can use the FSSn to do so.

FSSn has the form xxxxxxyzzzq. Where x:s denote

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