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whuber earned this badge 120 times
may 14 at 18:57
How to use CDF and PDF statistics for analysis
may 4 at 7:48
How to model prices?
apr 15 at 18:35
Creating an index of quality from multiple variables to enable rank ordering
apr 3 at 19:15
What's wrong with (some) pseudo-randomization
feb 22 at 14:54
What is the relationship between R-squared and p-value in a regression?
feb 22 at 11:04
Should one remove highly correlated variables before doing PCA?
feb 13 at 18:27
How to use the LOGNORMALDIST function to generate a Cumulative Distribution Function?
feb 11 at 12:41
How can adding a 2nd IV make the 1st IV significant?
feb 7 at 11:01
How to model this odd-shaped distribution (almost a reverse-J)
feb 4 at 4:59
Central limit theorem and the law of large numbers
jan 28 at 23:08
Permutation test in R
jan 3 at 8:58
Timing functions in R
dec 28 at 19:13
Number of significant figures to put in a table?
dec 21 at 5:34
Line graph has too many lines, is there a better solution?
dec 8 at 13:21
What is the most surprising characterization of the Gaussian (normal) distribution?
nov 10 at 11:38
Interpreting exp(B) in multinomial logistic regression
oct 26 at 21:32
The Sleeping Beauty Paradox
oct 26 at 2:21
A good way to show lots of data graphically
oct 23 at 6:04
Intuitive explanation of contribution to sum of two normally distributed random variables
sep 30 at 21:38
An unbiased estimate of the median
sep 26 at 1:06
How to perform Student's t-test having only sample size, sample average and population average are known?
sep 24 at 12:50
How do I find peaks in a dataset?
sep 10 at 9:55
Confused about confidence interval
sep 8 at 13:18
How small a quantity should be added to x to avoid taking the log of zero?
sep 5 at 13:34
Can I assume (log-)normality for this sample?
sep 4 at 10:48
What is the distribution of an average of Poisson random variables?
sep 1 at 22:17
Why does including latitude and longitude in a GAM account for spatial autocorrelation?
aug 24 at 20:36
Difficulty of testing linearity in regression
aug 7 at 17:28
What is the best way to identify outliers in multivariate data?
aug 2 at 21:15
Find probability and expectation
jul 24 at 19:31
Intuitive explanation for dividing in (n-1) when calculating sd?
jul 23 at 6:54
Detecting steps in time series
jul 20 at 1:14
In what order should you do linear regression diagnostics?
jul 11 at 21:03
Which distributions have closed-form solutions for maximum likelihood estimation?
jul 6 at 4:47
Confirming the distribution of residuals in linear regression
jul 4 at 8:21
ANOVA assumption normality/normal distribution of residuals
jul 4 at 8:21
How to compute the probability associated with absurdly large Z-scores?
jul 3 at 15:26
Test for finite variance?
jul 3 at 15:26
How does the power of a logistic regression and a t-test compare?
jul 3 at 15:26
What intuitive explanation is there for the central limit theorem?
jul 3 at 15:26
Logistic Regression: Transforming Variables
jul 3 at 15:26
Stepwise logistic regression and sampling
jul 3 at 15:26
Probability of not drawing a word from a bag of letters in Scrabble
jul 3 at 15:26
CDF raised to a power?
jul 3 at 15:26
Can the empirical Hessian of an M-estimator be indefinite?
jul 3 at 15:26
How to calculate Zipf's law coefficient from a set of top frequencies?
jul 3 at 15:26
How to assess predictive power of set of categorical predictors of a binary outcome? Calculate probabilities or logistic regression?
jul 3 at 15:26
How can I produce a plot showing the directional angles of my points?
jul 3 at 15:26
How to compare 2 non-stationary time series to determine a correlation?
jul 3 at 15:26
What is the difference between estimation and prediction?
jul 3 at 15:26
How likely am I to be descended from a particular person born in the year 1300?
jul 3 at 15:26
How to verify extremely low error rates
jul 3 at 15:26
Generate uniformly distributed weights that sum to unity?
jun 25 at 22:49
Are inconsistent estimators ever preferable?
jun 21 '12 at 10:29
What is the probability that this person is female?
jun 19 '12 at 8:23
How can I improve my analysis of the effects of reputation on voting?
jun 12 '12 at 20:12
Multicollinearity when individual regressions are significant, but VIFs are low
jun 11 '12 at 19:32
How to identify a bimodal distribution?
jun 5 '12 at 20:06
Is adjusting p-values in a multiple regression for multiple comparisons a good idea?
may 25 '12 at 14:08
Intuitive explanation of unit root
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