User pmgjones - Cross Validated

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	location	Canada
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visits	member for	2 years, 10 months
	seen	May 21 at 1:41
stats	profile views	140

	1,697 reputation	bio	website		visits	member for	2 years, 10 months
1822 badges		location	Canada		seen	May 21 at 1:41

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146

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Which test to use to compare proportions between 3 groups?

apr 16 at 23:45 jww 21

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vote

0

answers

40

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Median survival time for stratified Cox model

survival coxph

apr 5 at 2:55 user23945 6

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12

votes

2

answers

899

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What is “restricted maximum likelihood” and when should it be used?

mixed-model

jan 30 at 5:35 ocram 5,435

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10

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1

answer

408

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Diagnostics for Logistic Regression?

regression logistic

dec 4 at 15:16 Andy W 6,009

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1

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3

kviews

What is the difference between 2x2 factorial design experiment and a 2-way ANOVA?

anova experiment-design

dec 4 at 21:48 pmgjones 1,697

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3

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228

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Baseline differences in RCT: Which variables (if any) should be included as covariates?

mixed-model ancova

nov 17 at 15:13 rolando2 5,694

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1

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183

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Is it necessary to correct alpha in repeated measures ANOVA before any post-hoc comparisons?

repeated-measures multiple-comparisons p-value

may 1 at 16:59 Community♦ 1

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0

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143

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Compare two survival curves for paired data

survival paired-data

nov 7 at 16:11 whuber♦ 57.4k

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answers

2

kviews

Are all values within a 95% confidence interval equally likely?

interval confidence

jan 28 at 4:53 Glen 2,038

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139

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Longitudinal design - repeated measures, non-parametric, non-balanced design

repeated-measures nonparametric

sep 15 at 12:40 Cam 11

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5

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2

kviews

What intuitive explanation is there for the central limit theorem?

intuition central-limit-theorem

feb 12 at 7:35 Kil 1

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14

kviews

How would you explain the difference between correlation and covariance?

correlation covariance

may 18 '12 at 0:03 Andy W 6,009

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2

kviews

Do we need a global test before post hoc tests?

anova statistical-significance post-hoc

apr 20 '11 at 18:35 Harvey Motulsky 2,850

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vote

1

answer

356

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how do I compare two logistic regression models?

regression logistic

aug 7 at 3:19 Mike Anderson 1,007

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2

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3

kviews

What if residuals are normally distributed, but y is not?

regression error

jul 30 at 20:09 John 8,530

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254

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Repeated measures ANOVA

anova repeated-measures longitudinal

may 16 at 19:04 Community♦ 1

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3

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What if an overall ANOVA is not significant, but specific contrasts are?

anova statistical-significance contrasts

jun 8 '12 at 1:37 Damian 131

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1

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381

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Inconsistency in mixed-effects model estimation results (STATA and SPSS)

mixed-model spss stata

apr 29 '12 at 21:00 andrea 831

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2

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1

kviews

How to construct a 95% confidence interval of the difference between medians?

confidence-interval median clinical-trials

apr 25 '12 at 13:58 Community♦ 1

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4

answers

2

kviews

What are modern, easily used alternatives to stepwise regression?

model-selection generalized-linear-model best-practices stepwise-regression

aug 11 at 18:57 Ben Bolker 2,368

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3

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1

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597

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Odds ratio and confidence interval in meta-analysis

confidence-interval meta-analysis odds-ratio

apr 17 '12 at 22:00 pmgjones 1,697

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49

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6

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3

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Why does a 95% CI not imply a 95% chance of containing the mean?

probability confidence-interval

apr 26 '12 at 5:47 naught101 995

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7

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2

kviews

Why continue to teach and use hypothesis testing?

hypothesis-testing teaching best-practices

feb 20 '12 at 2:42 Frank Harrell 8,049

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6

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750

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Why is it bad to teach students that p-values are the probability that findings are due to chance?

p-value randomness education

dec 20 at 9:55 D L Dahly 429

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605

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Adjusting data for age and bmi

multiple-regression odds-ratio

feb 20 '12 at 16:53 pmgjones 1,697

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347

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If I repeat every sample observation in a linear regression model and rerun the regression how would the result be affected?

regression linear-model multiple-regression

dec 13 '11 at 15:00 mpiktas 13.9k

pmgjones

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