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Abhimanyu Arora
  • Member for 8 years, 5 months
  • Last seen more than 3 years ago
  • Belgium
382 votes
7 answers
366k views

When conducting multiple regression, when should you center your predictor variables & when should you standardize them?

  • 4,231
253 votes
15 answers
279k views

What are the differences between Factor Analysis and Principal Component Analysis?

194 votes
5 answers
246k views

How exactly does one “control for other variables”?

  • 2,637
142 votes
9 answers
29k views

Is Facebook coming to an end?

59 votes
3 answers
18k views

What is the intuition behind conditional Gaussian distributions?

  • 591
53 votes
16 answers
5k views

Most confusing statistical terms

  • 94.7k
49 votes
14 answers
6k views

Clarification on interpreting confidence intervals?

  • 543
29 votes
2 answers
9k views

Collinearity diagnostics problematic only when the interaction term is included

27 votes
3 answers
30k views

How can I calculate margin of error in a NPS (Net Promoter Score) result?

  • 371
23 votes
4 answers
42k views

GEE: choosing proper working correlation structure

18 votes
2 answers
12k views

Logit with ordinal independent variables

  • 1,110
17 votes
2 answers
12k views

Multiple linear regression for hypothesis testing

  • 1,069
11 votes
2 answers
15k views

Compare the variances of several groups

10 votes
2 answers
5k views

Why are 0.05 < p < 0.95 results called false positives?

8 votes
1 answer
308 views

Statistics Modelling Question

  • 765
8 votes
2 answers
11k views

Conditional expectation of $X$ given $Z = X + Y$

6 votes
1 answer
2k views

Why the sample mean is not a good (sufficient) statistic?

4 votes
1 answer
1k views

Variance estimation in Random Effects model

  • 229
4 votes
0 answers
1k views

Unbalanced panel data: Fixed effects?

3 votes
1 answer
1k views

Why are statistical properties of mode and median difficult to determine?

  • 163
3 votes
2 answers
771 views

Consequences of inappropriately using dummy variables?

2 votes
2 answers
1k views

Poisson fixed and random effect

  • 445
1 vote
1 answer
296 views

precision vs covariance

  • 4,430
1 vote
1 answer
98 views

Comparing two populations of proportions?

  • 11
1 vote
1 answer
7k views

Interaction effect in stepwise regression

  • 13