Carol Paton fundamentally mispresented Institute of Race Relations (IRR) polling in her column (“More Losers Than Winners In the Battle Of the Pollsters”, May 14). In every poll the IRR stated clearly and upfront that it was “not a prediction”, and yet she proceeds to evaluate them as predictions.

That said, in reading the trends, polls do have predictive value. Our final poll (on May 4) modelled on the 2014 turnout, put the ANC on 54%, the DA on 23% and the EFF on 13% (with a 3% margin of error). Based on that, we said over the last few days the ANC was likely to push up and the EFF was likely go down. That is exactly what happened.When we remodeled our numbers for the actual election turnout — 65% (which cannot be predicted, and no-one did) — we got the ANC at 57%, DA 23% and EFF 11%, an even closer approximation of the trend we identified.That the IRR failed to model for the right turnout is something it is perfectly happy to take responsibility for, but that says nothing a...

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