Stack Exchange
log in
chat
meta
about
Stack Exchange
All Sites
Hot Questions
Top Users
Newsletters
Blogs
ttnphns
Moscow, Russia
rivita.ru/spssmacros_en.shtml
A SPSS user/developer, data analyst.
top
accounts
reputation
activity
favorites
subscriptions
Top Questions
8
votes
Can we compare correlations between groups by comparing regression slopes?
regression
correlation
hypothesis-testing
asked Aug 6 '11 at 13:12
stats.stackexchange.com
6
votes
Mean and Median properties
mean
median
asked Feb 16 '11 at 19:33
stats.stackexchange.com
Top Answers
27
Why does the correlation coefficient between X and X-Y random variables tend to be 0.7
stats.stackexchange.com
26
What's the difference between principal components analysis and multidimensional scaling?
stats.stackexchange.com
19
How does centering the data get rid of the intercept?
stats.stackexchange.com
18
What is the role of MDS in modern statistics?
stats.stackexchange.com
16
If mean is so sensitive, why use it in the first place?
stats.stackexchange.com
16
Is there an intuitive interpretation of $A^TA$?
stats.stackexchange.com
15
Should one remove highly correlated variables before doing PCA?
stats.stackexchange.com
11
When to use the Wilcoxon rank-sum test instead of the unpaired t-test?
stats.stackexchange.com
11
What is the difference between R functions prcomp and princomp?
stats.stackexchange.com
11
Strange pattern of residuals
stats.stackexchange.com
9
PCA and proportion of variance explained
stats.stackexchange.com
8
Understanding repeated measure ANOVA assumptions for correct interpretation of SPSS output
stats.stackexchange.com
8
Measuring entropy/ information/ patterns of a 2d binary matrix
stats.stackexchange.com
8
Are mean normalization and feature scaling needed for k-means clustering?
stats.stackexchange.com
7
Differences between MANOVA and Repeated Measures ANOVA?
stats.stackexchange.com
7
How does linear discriminant analysis reduce the dimensions?
stats.stackexchange.com
7
PCA when the dimensionality is greater than the number of samples
stats.stackexchange.com
7
Analyzing Likert scales
stats.stackexchange.com
6
Will the silhouette formula change depending on the distance metric?
stats.stackexchange.com
6
Zero regression coefficient when correlations are not zero
stats.stackexchange.com
6
How to compare two or more correlation matrices?
stats.stackexchange.com
6
Question about independence assumption for ANOVA, t-test, and non-parametric tests
stats.stackexchange.com
6
How does the Goodman-Kruskal gamma test and the Kendall tau or Spearman rho test compare?
stats.stackexchange.com
6
Tests of independence in contingency tables
stats.stackexchange.com
6
How can 8 dimensions be reduced to 3?
stats.stackexchange.com
6
What is the difference between “coefficient of determination” and “mean squared error”?
stats.stackexchange.com
6
PCs scores from Correlation and Covariance matrices through matrix computations and prcomp
stats.stackexchange.com
5
Why do people often run a regression with and without control variables?
stats.stackexchange.com
5
Dimensionality reduction technique to maximize separation of known clusters?
stats.stackexchange.com
5
How to perform principal components analysis on binary (Yes/No) data using SPSS?
stats.stackexchange.com
1
2
next
Stack Exchange works best with JavaScript enabled