combine data sets

  1. S

    Combining proxy variables to estimate true underlying variable

    Dear all, suppose you have several (~3-4) measures of an economic variable. These measures all come with some degree of measurement error (noise) and it is a-priori unclear which one best represents the underlying phenomen (which one intents to capture). To complicate things, the samples of the...
  2. N

    How to combine data sets to do a pearson correlation

    Hi, I want to calculate the pearson correlation between 2 variables, namely the expression level of 2 genes measured in biological samples. The problem is that the sample size is small (n=5). However, I also have 2 other similar data sets obtained previously with another methods. So I would...