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bio	website	enigmaportal.com
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	age	27
visits	member for	2 years, 6 months
	seen	May 8 at 4:38
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	859 reputation	bio	website	enigmaportal.com	visits	member for	2 years, 6 months
720 badges		location	United States		seen	May 8 at 4:38

11

28

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7

answers

3

kviews

If mean is so sensitive, why use it in the first place?

aug 17 '11 at 20:40 Legend 859

6

16

votes

2

answers

2

kviews

Understanding the parameters inside the Negative Binomial Distribution

r distributions modeling negative-binomial

oct 7 at 23:25 gung 17.6k

5

7

votes

2

answers

449

views

What distribution does my data follow?

r distributions data-visualization survival reliability

may 6 at 23:22 Glen_b 13.6k

4

7

votes

2

answers

363

views

When do we combine dimensionality reduction with clustering?

clustering multivariate-analysis pca dataset svd

feb 9 at 9:30 ttnphns 9,000

1

7

votes

3

answers

357

views

Are there cases where there is no optimal k in k-means?

machine-learning clustering k-means

jul 30 '11 at 17:43 bmc 11

7

votes

1

answer

115

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Can someone help me understand what type of problem I am looking at? Not sure if this classifies as hypothesis-testing

r distributions hypothesis-testing statistical-significance experiment-design

jan 30 '11 at 6:43 robin girard 3,654

1

6

votes

5

answers

416

views

What can I do beyond Pearson correlation?

correlation data-mining pearson

feb 25 at 4:54 Ben 395

6

votes

2

answers

152

views

Where can I use Chebychev's inequality?

probability application probability-inequalities

dec 10 at 21:47 mbq♦ 12.1k

5

votes

1

answer

152

views

K-L divergence is 0 for clearly different distributions. Why?

r probability

jan 31 at 3:28 whuber♦ 57.4k

3

5

votes

2

answers

522

views

How to fit a model to self-reported number of friend interactions over a 20 day period?

r distributions dataset

oct 7 '11 at 2:15 Jeromy Anglim 17.2k

2

4

votes

2

answers

400

views

Will the silhouette formula change depending on the distance metric?

clustering data-mining python distance-functions

feb 26 at 18:18 ttnphns 9,000

4

votes

1

answer

176

views

How are epidemic models simulated in case of mobility?

probability simulation epidemiology

nov 10 '11 at 14:12 Rani 21

4

votes

3

answers

971

views

How to compute the Kullback-Leibler divergence when the PMF contains 0s?

time-series probability multivariate-analysis histogram kullback-leibler

aug 12 '11 at 16:32 Emre 1,222

1

4

votes

2

answers

9

kviews

Calculating the 95th percentile: Comparing normal distribution, R Quantile, and Excel approaches

r dataset basic-concepts quantiles sql

jul 25 '11 at 6:27 Jeromy Anglim 17.2k

4

votes

1

answer

272

views

What is the meaning of rank in the context of change-detection?

statistical-significance nonparametric change-point

apr 26 '11 at 17:52 Gavin Simpson 7,165

2

4

votes

2

answers

133

views

What is a good way of estimating the dependence of an output variable on the input parameters?

r regression experiment-design

mar 9 '11 at 12:46 csgillespie 6,104

4

3

votes

3

answers

1

kviews

Can someone please explain dynamic time warping for determining time series similarity?

r time-series clustering

jun 17 '12 at 13:24 whuber♦ 57.4k

2

3

votes

1

answer

292

views

Characterizing datasets and estimating statistically significant differences?

r statistical-significance dataset categorical-data binomial

apr 12 '12 at 18:57 Peter Flom 22.9k

3

votes

1

answer

188

views

Meaning of this expectation equation?

probability algorithms stochastic-processes expected-value

may 24 '11 at 13:49 Community♦ 1

2

3

votes

2

answers

2

kviews

How do I generate a QQ-Plot for data fitted using fitdistr?

r distributions goodness-of-fit exponential

feb 7 '11 at 18:28 daroczig 421

3

votes

2

answers

894

views

Understanding a Quantile-Quantile Plot

r distributions basic-concepts quantiles

dec 17 '10 at 6:44 Community♦ 1

2

votes

0

answers

33

views

Fitting mixture distributions and computing goodness-of-fit?

r distributions goodness-of-fit mixture

may 7 at 17:37 Legend 859

2

votes

1

answer

209

views

Comparing distributions as opposed to medians?

distributions data-mining nonparametric median

jan 30 at 15:20 chl♦ 27.2k

2

votes

0

answers

70

views

Can I compute cross correlation after decomposition?

r time-series correlation cross-correlation

mar 17 '12 at 16:53 mbq♦ 12.1k

2

votes

1

answer

610

views

How to draw a scree plot in python?

data-visualization python svd

oct 18 '11 at 17:52 mbq♦ 12.1k

2

votes

1

answer

111

views

What is heavy hitter analysis?

clustering multivariate-analysis dataset large-data

oct 3 '11 at 23:32 Legend 859

2

votes

0

answers

529

views

How do I interpret this Weibull plot?

r distributions modeling data-mining basic-concepts

aug 23 '11 at 10:14 Legend 859

2

votes

1

answer

465

views

How can I improve my cross-correlation methodology?

python r signal-processing

aug 8 '11 at 9:32 chl♦ 27.2k

2

votes

1

answer

599

views

What does this blur around the line mean in this graph?

r modeling dataset data-mining ggplot2

jul 26 '11 at 7:50 Gavin Simpson 7,165

1

2

votes

1

answer

87

views

How do I do temporal correlations of matrices?

time-series correlation clustering matrix spatio-temporal

jul 15 '11 at 13:05 IrishStat 5,487

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43 Questions