Gaurav
The Fairest of All
In the 2006 CCES, respondents were asked, “Which network do you think provides the fairest coverage of national news?”. Here's a plot of proportions of Republicans, Democrats, and Independents thinking so about some of the news channels. Compare the results with Perceived media ideology of some news sources.
Sampling on MTurk
In many of the studies that use MTurk, there appears to be little strategy to sampling. A study is posted (and reposted) on MTurk till a particular number of respondents take the study. If the pool of respondents reflects true population proportions, if people arrive in no particular order, and
Bad Weather: Getting Data on Weather in a ZIP Code on a Particular Date
High-quality weather data are public. But they aren’t easy to make use of.
Some thoughts and some software for finding out the weather in a particular ZIP Code on a particular day (or a set of dates).
Some brief ground clearing before we begin. Weather data come from weather
Not Feeling as Warm toward Whites Anymore
The difference between Whites’ thermometer ratings (0 = cold, 100=warm) of Whites and Blacks has gone down relatively steadily over the past 50 or so years.
However, the decline is almost entirely explained by the drop in the ratings of Whites.
Aging Curves of Political Knowledge
Now, aging curves of political knowledge by cohort.
Bias is in the Eyes of the Beholder
Why Were the Polls so Accurate?
The Quant. Interwebs have overflowed with joy since the election. Poll aggregation works. And so indeed does polling, though you won’t hear as much about it on the news, which is likely biased towards celebrity intellects rather than the hardworking many. But why were the polls so accurate?
One
Raising Money for Causes
Four teenagers, on the cusp of adulthood and eminently well-to-do, were out on the pavement raising money for children struck with cancer. They had been out raising money for a couple of hours, and from a glance at their tin pot, I estimated that they had raised about $30 or
Randomly Redistricting More Efficiently
In a forthcoming article, Chen and Rodden estimate the effect of ‘Unintentional gerrymandering’ on the number of seats that go to a particular party. To do so, they pick a precinct at random, and then add (randomly chosen) adjacent precincts to it till the district is of a certain size