combine data sets

  1. K

    Combining 2 different datasets

    Hi everybody, I am quite a beginner in the statistics world, but I am struggling with some data I have 2 datasets: - one with ID's (each subject has a different ID), groups (there are several subjects in one group) and some characteristics of these individuals (e.g. weight, growth, etc.) - one...
  2. 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...
  3. 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...