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| bio | website | |
|---|---|---|
| location | ||
| age | ||
| visits | member for | 2 years, 10 months |
| seen | May 14 at 9:47 | |
| stats | profile views | 46 |
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Oct 15 |
comment |
Perpendicular offsets in a weighted least squares regression In this post (cerebralmastication.com/2010/09/…) @JDLong explains that PCA minimises the orthogonal distance to the fit |
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Sep 13 |
comment |
Do post- and pre-incremental operators exist in R? See this question from SO: stackoverflow.com/a/5738907/269476 |
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Sep 13 |
answered | How to predict or extend regression lines in ggplot2? |
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Aug 7 |
comment |
R vs SAS, why is SAS prefered by private companies? @Spacedman Back to the abacus in that council then... |
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Aug 7 |
comment |
R vs SAS, why is SAS prefered by private companies? Large companies with a history of success tend to set the standards in an industry. SAS has this incumbent advantage, and also benefits that its price creates a large barrier to entry in other industries. This gives large established companies an advantage over smaller new competitors and allows them to charge higher prices due to the restricted competition. |
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Jul 20 |
awarded | Yearling |
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Jul 4 |
awarded | Enlightened |
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Jul 4 |
awarded | Nice Answer |
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Apr 13 |
comment |
How to estimate missing data? Labour markets and economies around the world were undergoing a period of great change at this time. It may not be sensible to extrapolate backwards from your data. en.wikipedia.org/wiki/Early_1980s_recession |
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Apr 4 |
comment |
Is the R language reliable for the field of economics? An economics professor that believes monetary incentives guarantee quality? I thought the market for lemons is one of the first things on the curriculum... |
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Mar 7 |
answered | Binomial trials required to achieve a given probability of at least one success |
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Feb 10 |
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What do statisticians do that can't be automated? Computers can not determine what is right or wrong (more accurately, better or worse), they just do it faster. The consequences of doing the wrong thing very quickly and en masse are not good... |
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Feb 10 |
comment |
Common standards for data import file formats for statistics software? csv is the safest bet for compatibility. Different software may have formats with particular optimisations/features, though the cynic may argue that its more to do with creating a dependency on that software... |
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Jan 31 |
comment |
What is the real answer to the Birthday question? Are we to assume you have random friends? |
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Jan 20 |
comment |
In R, what is the best graphics driver for using the graphs in Microsoft Word? I think the blur is due to the Word scaling algorithm. You may have better results resizing in an image editing program before inserting so it is displayed at 100% by Word. |
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Dec 6 |
comment |
How to compute predicted values in regression using predict() and coef()? Can you post your call to lm? |
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Nov 19 |
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Is there a term for min + (max - min) / 2? Though you could use mean(range(x)) |
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Nov 16 |
answered | Find probability density intervals |
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Oct 4 |
answered | What is the relationship between a p-value and a confidence interval? |
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Sep 10 |
comment |
Constructing a naive recession forecast businessinsider.com/the-real-reason-for-the-recession-2009-4 |
