Cross Validated
Profile Activity
Meta user
Network profile
2,123
reputation
11
6

Ray Koopman

Apparently, this user prefers to keep an air of mystery about them.

54
answers
0
questions
~373k
people reached
  • Member for 8 years, 4 months
  • 400 profile views
  • Last seen Dec 23 '13 at 20:36

Communities (5)

Top network posts

Top tags (86)

Score 54
Posts 9
Posts % 17
Score 36
Posts 3
Score 25
Posts 3
Score 19
Posts 11
Score 14
Posts 4
Score 13
Posts 6
View all tags →

Top posts (54)

All Questions Answers
Votes Newest
27 Why could centering independent variables change the main effects with moderation? Jul 29 '13
18 What does the inverse of covariance matrix say about data? (Intuitively) Oct 22 '13
8 Calculate uncertainty of linear regression slope based on data uncertainty Oct 4 '13
7 Is chi-squared always a one-sided test? Sep 11 '13
6 What if interaction wipes out my direct effects in regression? Oct 10 '13
6 Variance and covariance of binary data Aug 13 '13
6 How to report the ratio of two sets of experimental results? Nov 29 '13
6 Spherical platykurtic random cloud Dec 21 '13
5 Smooth a circular/periodic time series Aug 28 '13
5 Are there useful applications of SVD that use only the smallest singular values? Jul 19 '13
View all questions and answers →

Badges (17)

Gold

—

Silver

11

Rarest

Bronze

6

Rarest

View all badges →

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.