This to me is a very good article because it lays out the advantages and problems with polling methods which has resulted in wildly different predictions for tomorrow's election.
The analysis of poll numbers had this "fun" note:
But perhaps the most interesting poll of all is from the online firm SurveyMonkey. It released 10 different versions (!) of its recent survey, showing everything from a 9-point Jones lead to a 10-point Moore lead, depending on various assumptions — all with the same underlying data.
Although releasing 10 different versions of the same poll may be overkill, it illustrates the extent to which polling can be an assumption-driven exercise, especially in an unusual race such as Alabama’s Senate contest....
The analysis of poll numbers had this "fun" note:
But perhaps the most interesting poll of all is from the online firm SurveyMonkey. It released 10 different versions (!) of its recent survey, showing everything from a 9-point Jones lead to a 10-point Moore lead, depending on various assumptions — all with the same underlying data.
Although releasing 10 different versions of the same poll may be overkill, it illustrates the extent to which polling can be an assumption-driven exercise, especially in an unusual race such as Alabama’s Senate contest....