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David Wright's user avatar
David Wright's user avatar
David Wright's user avatar
David Wright
  • Member for 13 years, 5 months
  • Last seen more than 1 year ago
30 votes

How to assess the similarity of two histograms?

11 votes

Is it logical to use correlation between percentages

10 votes

What is a manifold?

7 votes
Accepted

Should the logistic regression equation always result in a value between 0 and 1?

7 votes
Accepted

Calculating error of mean of time series

6 votes
Accepted

What concepts in optimization do I need for machine learning?

6 votes
Accepted

Interpretation of dummy variables

5 votes

In regression, what if a factor is very sparse?

4 votes
Accepted

Permutation version of Ftest

4 votes

Central Limit Theorem and t-test

4 votes

How to calculate or approximate the integral $\int_{-\infty}^{\infty}\sigma(x)(1-\sigma(x))\mathcal{N}(x|0,1)dx$

3 votes

How to compute a confidence interval for the mean of count data?

3 votes
Accepted

Lognormal parameters knowing GDP per-capita, Gini coefficient and quintile shares

3 votes

Am I interpreting logistic regression coefficient of categorical variable correctly as a probability?

3 votes

Generates variates of $F^s$ given a known algorithm for variates of $F$

3 votes

Example of danger of ecological correlation of rates?

3 votes
Accepted

Reverse Engineering game. What sample size do I need?

3 votes

How to use $\chi^2$ test to test if my data follow a $\chi^2$ distribution?

3 votes

What are some valuable Statistical Analysis open source projects?

3 votes
Accepted

How did the stattrek calculator compute the t-score without the population mean?

3 votes
Accepted

Is this formula for Standard Error just for a sampling distribution that's normal?

2 votes
Accepted

Uniform distribution testing

2 votes

Criteria for choosing between PCA and sparse PCA

2 votes
Accepted

Median larger than mean in a Weibull distribution in scipy.stats

2 votes
Accepted

Regression Analysis: sig value and r

2 votes

Can you use the chi-squared test to test difference between two already observed groups?

2 votes

$Var(Y)$ where $Y = \frac{1}{X}$

2 votes
Accepted

Predicting variable Time Series - Unknown Frequency

2 votes
Accepted

What to conclude about the results if the p-value is same in 2 Kolmogorov-Smirnov tests?

2 votes
Accepted

Is cumulative sum large deviation an alarm for bad normal pseudo-random number generator?