The new version of our Stata module surveybias has now appeared on SSC. From within Stata, simply run ssc install surveybias, all to install it (no surprise here). For the time being, the article on which the module is based has been ungated. Get it while it is free.
The very useful OUP blog has a Q&A session on polling accuracy with Jocelyn Evans and me: Polling accuracy: a Q&A with Kai Arzheimer and Joceyln Evans. Moreover, Oxford University Press has kindly ungated the Political Analysis paper on our New Multinomial Accuracy Measure (TM), so grab the PDF while it is free.
The Polls [caption id="attachment_12655" align="alignleft" width="300"] Support for the Major German Parties, Estimates and Predictions (Week 35, 2013)[/caption] Exactly three weeks before the 18th Bundestag election, it’s time for another look at the polls. This weekend brings six new entries: One late result from week 33 that was only published a week ago, three polls…
Last week’s post on Merkel’s very good chances to win a third term created a bit of a stir. This week, I’m back with nine new polls (conducted between August 6 and August 19 by six different companies), which all point into the same direction: The probability of Merkel continuing as chancellor is 98 to 99 per cent.
All surveys deviate from the true distributions of the variables, but some more so than others. This is particularly relevant in the context of election studies, where the true distribution of the vote is revealed on election night. Jocelyn Evans and I present a method for calculating a scalar measure that neatly summarises such bias for multi-party elections. We also present a Stata module that implements our new method.