User ars - Cross Validated

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visits	member for	2 years, 10 months
	seen	Dec 9 '12 at 5:15
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	7,041 reputation	bio	website		visits	member for	2 years, 10 months
11130 badges		location			seen	Dec 9 '12 at 5:15

95

98

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18

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33

kviews

Making sense of principal component analysis, eigenvectors & eigenvalues

pca

mar 20 at 21:03 Peter Waksman 1

35

65

votes

7

answers

18

kviews

What is the difference between “likelihood” and “probability”?

probability likelihood-function

apr 13 at 20:49 Gypsy 61

52

41

votes

20

answers

3

kviews

Mathematical Statistics Videos

mathematics books mathematical-statistics

feb 18 at 7:41 Jeromy Anglim 17.2k

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41

votes

8

answers

9

kviews

Is normality testing 'essentially useless'?

hypothesis-testing normality philosophical

jul 25 at 10:50 mbq♦ 12.1k

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39

votes

10

answers

6

kviews

Are large data sets inappropriate for hypothesis testing?

hypothesis-testing sample-size dataset large-data

jun 15 '11 at 14:16 probabilityislogic 9,405

30

34

votes

7

answers

17

kviews

What are the differences between Factor Analysis and Principal Component Analysis

pca factor-analysis

apr 20 at 20:42 Brandon Bertelsen 1,502

18

29

votes

3

answers

6

kviews

When should I use lasso vs ridge?

regression lasso ridge-regression

mar 20 '11 at 20:13 Gael Varoquaux 381

8

29

votes

6

answers

2

kviews

Motivation for Kolmogorov distance between distributions

distributions probability hypothesis-testing mathematical-statistics

jan 24 at 21:39 Aaron Sheldon 176

20

29

votes

4

answers

26

kviews

Pearson's or Spearman's correlation with non-normal data

correlation normality

apr 12 '12 at 9:09 Community♦ 1

12

26

votes

7

answers

1

kviews

Excel as a statistics workbench

software computational-statistics excel

apr 3 '12 at 11:18 naught101 995

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22

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5

answers

4

kviews

Time series 'clustering' in R

r time-series clustering cointegration

may 2 '12 at 10:10 fmark 1,017

9

19

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1

answer

1

kviews

How can one empirically demonstrate in R which cross-validation methods the AIC and BIC are equivalent to?

r aic cross-validation bic

aug 3 '10 at 22:58 Russell S. Pierce 4,148

8

18

votes

5

answers

5

kviews

How to make a time series stationary?

time-series stationarity

mar 3 '11 at 19:41 Tom Reilly 382

5

18

votes

5

answers

4

kviews

Why is Poisson regression used for count data?

regression poisson count-data

sep 23 '10 at 23:28 Thylacoleo 1,755

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18

votes

6

answers

5

kviews

Is adjusting p-values in a multiple regression for multiple comparisons a good idea?

regression multivariate-analysis predictive-models multiple-regression multiple-comparisons

jun 5 '12 at 19:20 gung 17.6k

4

17

votes

1

answer

401

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Have I computed these likelihood ratios correctly?

r anova code likelihood-ratio

oct 4 '10 at 13:04 Joris Meys 2,570

5

17

votes

3

answers

1

kviews

How to combine confidence intervals for a variance component of a mixed-effects model when using multiple imputation

modeling confidence-interval mixed-model data-imputation

oct 6 '10 at 14:31 chl♦ 27.2k

8

16

votes

8

answers

1

kviews

Measures of model complexity

model-selection

dec 16 at 14:44 gung 17.6k

12

16

votes

14

answers

3

kviews

Recommended books on experiment design?

books experiment-design

may 20 at 7:47 ACD 492

4

15

votes

2

answers

974

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Adjusting for covariates in ROC curve analysis

epidemiology roc

dec 15 '11 at 14:11 Frank Harrell 8,024

1

14

votes

4

answers

618

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What is wrong with this “naive” shuffling algorithm?

permutation randomness

aug 19 at 1:17 Douglas Zare 5,180

4

13

votes

3

answers

2

kviews

How to measure/argue the goodness of fit of a trendline to a power law?

goodness-of-fit power-law

feb 22 at 9:08 csgillespie 6,104

5

12

votes

3

answers

696

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Why break down the denominator in Bayes' Theorem?

bayesian

oct 12 '10 at 8:30 suncoolsu 3,748

4

12

votes

4

answers

901

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Comparing mixed effect models with the same number of degrees of freedom

r mixed-model model-selection

mar 13 '11 at 16:27 John 8,530

3

11

votes

3

answers

314

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How to detect which one is the better study when they give you conflicting results?

hypothesis-testing clinical-trials

sep 27 '10 at 3:26 Andy W 6,009

6

11

votes

4

answers

1

kviews

Checking ANOVA assumptions

hypothesis-testing anova homogeneity goodness-of-fit

sep 19 '10 at 14:44 Jeromy Anglim 17.2k

9

10

votes

6

answers

4

kviews

Best PCA Algorithm For Huge Number of Features?

pca algorithms code

jan 16 '12 at 16:18 petrichor 569

3

10

votes

4

answers

2

kviews

What are the pros and cons of using the logrank vs. the Mantel-Haenszel method for computing the Hazard Ratio in survival analysis?

survival hazard

sep 16 '10 at 6:46 mbq♦ 12.1k

2

10

votes

3

answers

464

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Estimate the size of a population being sampled by the number of repeat observations

r sampling e-m

sep 15 '10 at 4:09 Thylacoleo 1,755

4

10

votes

1

answer

325

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What is the community's take on the Fourth Quadrant?

distributions modeling random-variable

sep 20 '10 at 19:13 John D. Cook 1,774

ars

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