Tagged Questions
10
votes
2answers
2k views
“Normalizing” variables for SVD / PCA
Suppose we have $N$ measurable variables, $(a_1, a_2, \ldots, a_N)$, we do a number $M > N$ of measurements, and then wish to perform singular value decomposition on the results to find the axes of ...
3
votes
0answers
81 views
How can I rediscretize my data?
Related to my previous question, I have a dataset of 2D points with an associated label (this label can take 6 different values). As suggested in the answers to my other question, this can be modeled ...
1
vote
3answers
143 views
Correcting experiment results
We have performed a microarray screening of about 200 samples. In each sample we measure about 100 different variables. For technical reasons the screening of these 200 samples was divided into two ...
