1234 search results for "excel"

Describing Data: Frequently Used Commands

May 13, 2011
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Describing Data: Frequently Used Commands

Obtaining a coherent numerical summary of data is a common task, and it is common to want to port these summary statistics into a table of results. When I am in interactive mode with my data, I use the summary() command applied to my data frame. For ...

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Describing Data: Frequently Used Commands

May 13, 2011
By
Describing Data: Frequently Used Commands

Obtaining a coherent numerical summary of data is a common task, and it is common to want to port these summary statistics into a table of results. When I am in interactive mode with my data, I use the summary() command applied to my data frame. For ...

Read more »

XLConnect: Frequently Asked Questions

May 12, 2011
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XLConnect: Frequently Asked Questions

In the two months since the first release of XLConnect we have received some great feedback from the community. Most questions we saw seemed to cluster around a few central topics – memory issues, font styling and Excel feature support. … Continue reading →

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R you ready for this? Statistics for free!

May 7, 2011
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R you ready for this? Statistics for free!

If you’ve listened to the show for a while or if you’ve been reading the paleocave blog from the beginning (like when we actually used to update it regularly), then you might know that I’m rather fascinated with statistics. Imagine my delight a few years ago when I found out that one of the most

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Computing Odds Ratios in R

Computing Odds Ratios in R

In my last post, I discussed the use of odds ratios to characterize the association between edibility and binary mushroom characteristics for the mushrooms characterized in the UCI mushroom dataset.  I did not, however, describe those co...

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sab-R-metrics: Logistic Regression

May 5, 2011
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sab-R-metrics: Logistic Regression

It's been a while since my last sab-R-metrics post, and I have not gotten to the real fun stuff yet. I apologize for the long layoff, and it's likely that these will be sparse for the next couple weeks. I have had some consulting opportunities come u...

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sab-R-metrics: Logistic Regression

May 5, 2011
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sab-R-metrics: Logistic Regression

It's been a while since my last sab-R-metrics post, and I have not gotten to the real fun stuff yet. I apologize for the long layoff, and it's likely that these will be sparse for the next couple weeks. I have had some consulting opportunities come u...

Read more »

bigkmeans also works well for ordinary matrix objects: The biganalytics package

May 4, 2011
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bigkmeans also works well for ordinary matrix objects: The biganalytics package

The bigmemory is an excellent package for handling big matrix in R. There are several sister packages provided by "The Bigmemory Project": biganalytics for analysis, bigtabulate for tabulation, bigalgebra for linear algebra functionality, synchronicity...

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bigkmeans also works well for ordinary matrix objects: The biganalytics package

May 4, 2011
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bigkmeans also works well for ordinary matrix objects: The biganalytics package

The bigmemory is an excellent package for handling big matrix in R. There are several sister packages provided by "The Bigmemory Project": biganalytics for analysis, bigtabulate for tabulation, bigalgebra for linear algebra functionality, synchronicity for synchronization via mutexes and interprocess communication and message passing.biganalytics provides a few functions for analysis: linear regression model, generalized linear regression model, and...

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Putting Robust Standard Errors into LaTeX Tables: An Extension of mtable

May 3, 2011
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Putting Robust Standard Errors into LaTeX Tables: An Extension of mtable

I recently discovered the mtable() command in the memisc library and its use with toLatex() to produce nice summary output for lm and glm objects in a nicely formatted table like this:Once you have your linear model objects, all you need is one command...

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