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miura
  • Member for 10 years, 5 months
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69 votes
5 answers
24k views

How small a quantity should be added to x to avoid taking the log of zero?

64 votes
3 answers
46k views

Linear model with log-transformed response vs. generalized linear model with log link

11 votes
1 answer
5k views

What is point-wise variance?

11 votes
3 answers
3k views

How defensible is it to choose $\lambda$ in a LASSO model so that it yields the number of nonzero predictors one desires?

10 votes
3 answers
12k views

Confidence intervals for cross-validated statistics

8 votes
0 answers
1k views

Measure score change over time while accounting for baseline differences

7 votes
2 answers
181 views

Is there a word for the phenomenon that the old are generally less affected by risk factors?

6 votes
1 answer
209 views

Confidence interval for the number of trials before you've observed each outcome in the sample space?

5 votes
1 answer
235 views

How can a combination of model parameters have a lower standard error than each individual coefficient?

4 votes
1 answer
93 views

Separating effects of foods and of food components in nutritional epidemiology

4 votes
0 answers
714 views

How are absolute risks estimated by the Cox model? [duplicate]

4 votes
2 answers
169 views

What are possible reasons for differences in numerical output from the same procedures performed in different statistical packages?

4 votes
2 answers
3k views

Why does $\overline{y} = \hat \beta_{0} + \hat \beta_{1} \overline{x}$ in simple linear regression?

3 votes
1 answer
910 views

Permutation test for the significance of several dependent regression coefficients from separate models

3 votes
0 answers
231 views

Why do LR and Wald p-values differ by orders of magnitude?

3 votes
1 answer
88 views

What are the implications of sampling to attain a given distribution in one variable?

3 votes
1 answer
714 views

Which probabilites are to be supplied to rcorr.cens and improveProb in package Hmisc?

3 votes
2 answers
2k views

What could be the reason for potentially unstable bootstrap bca confidence intervals when R=10000?

3 votes
1 answer
784 views

How to report the results of cross-validation for comparing two models?

3 votes
1 answer
24 views

Given the same before-after differences within groups, is it relevant whether time trajectories converge or diverge?

2 votes
1 answer
175 views

What can be inferred when multivariable ordinary least squares and quantile (median) regression yield differing results?

2 votes
0 answers
77 views

Tuning a model for predictive performance in a narrow probability range

2 votes
1 answer
306 views

Testing hypotheses suggested by the data

2 votes
1 answer
504 views

Mixed text and graphical univariate data summary in R

2 votes
2 answers
449 views

What are good ways of visualizing many effects ordered in groups and subgroups?

1 vote
0 answers
92 views

Conditional cross-validation sampling

1 vote
2 answers
130 views

Selecting features and estimating their out-of-sample performance with cross-validation

0 votes
0 answers
231 views

Magnitude of Pearson correlation after adjustment by simple linear regression