3
votes
1answer
97 views
+200
Bootstrapping power estimates for a bootstrap test
Assume I want to use a (nonparametric) bootstrap test for a hypothesis with a sample size of $n_1$ and I already have $n_0$ actual samples on which to base my power estimates. Usually, we would also ...
0
votes
1answer
70 views
+50
Why set weights to 1 in confirmatory factor analysis?
I write this question with reference to an example on p138-142 of the following document: ...
2
votes
1answer
96 views
+100
Select best set of binary variables for clustering known sample labels
I have a set of samples, for which I know the "true groups". For this samples I have about 200 binary variables, I would like to know a method to select the subset of variables, that gives me a ...
1
vote
0answers
44 views
+50
Zero-mean correlation
In the following blog post: here, the author goes and calculates the alternative correlation measure for two time series. Essentially, calculates the correlation between two series by giving the mean ...
2
votes
0answers
28 views
+50
Determine an unknown number of real world locations from GPS-based reports
I'm working on some software which should determine real world locations (f.e. traffic jams or speed cams) from several GPS-based reports. An user will be driving when reporting a location, thus the ...
