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Paired data arise when an experimental or observational study design deliberately samples two units as a dyad to form a basis of comparison. Use this tag for any question about paired data or their analysis.

1 vote

Find the most similar pairs from two data sets

This is perhaps not the most efficient but it is a greedy approach to the problem. Computation of the distances between observations is the most expensive part. However, you need only do it once and …
Demetri Pananos's user avatar
2 votes
Accepted

What kind of test shall I use to test if the two data sets are significantly different?

If you're hypothesis is about the frequency of uses of the words in each of the 19 sentences, you can do a two sample test of proportions. There are LOTS of examples of that on this site, so I won't …
Demetri Pananos's user avatar
0 votes

Compare two proportions from same sample (mutually non exclusive)

If each person answers about both questions, McNemar's test is best. Imagine a 2x2 table where the rows are the people who answer Yes/No to X and the columns are the people who answer Yes/No to Y. T …
Demetri Pananos's user avatar
17 votes
Accepted

ANOVA vs pairwise t-tests with multiple test correction

The difference becomes clear if you understand the null/alternative hypothesis of each test. ANOVA's null hypothesis is that the group means are the same, while the alternative is that at least one g …
Demetri Pananos's user avatar