These ICM sub-samples are very small but the detail of this breakdown is fascinating
ICM Unlimited Inevitably when you have a 1,000 sample poll and then adjust for turnout after taking out the don’t knows the numbers you are left with can get very small. But I love the way ICM, in its general election datasets, is now breaking down constituencies by specific types. The group where there’s the biggest variation across the different seat types are those saying they’ll vote Lib Dem. Notice how in the final column, the CON-LAB marginals, we get…