5 votes

Big Data+Small Bias << Small Data+Zero Bias

1 comment

  1. skybrian
    Link
    From the blog post:

    From the blog post:

    When the sample is biased, however, then not only do you need a much larger sample you need it to large relative to the total population. A sample of 2.3 million sounds big but it isn’t big relative to the US population which is what matters in the presence of bias.