1244 search results for "Excel"

RQuantLib 0.3.0 released

September 5, 2009
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Earlier this evening, I rolled up a new version of RQuantLib. It has been pushed to CRAN and Debian, and source and binary version should appear on the respective mirror networks in due course. This version, the first in a new '0.3.*' release seri...

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RQuantLib 0.3.0 released

September 5, 2009
By

Earlier this evening, I rolled up a new version of RQuantLib. It has been pushed to CRAN and Debian, and source and binary version should appear on the respective mirror networks in due course. This version, the first in a new '0.3.*' release series, ...

Read more »

RQuantLib 0.3.0 released

September 5, 2009
By

Earlier this evening, I rolled up a new version of RQuantLib. It has been pushed to CRAN and Debian, and source and binary version should appear on the respective mirror networks in due course. This version, the first in a new '0.3.*' release seri...

Read more »

CO2 and Temperature Trends

August 31, 2009
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CO2 and Temperature Trends

In a previous post I discussed problems with an Excel based CO2 and temperature trend chart that used 2 Y axes. Double axis charts can be misleading because they may distort the Y axis for one of the series. In this post I show another example of am ineffective double Y axis CO2 and temperature

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Web-site trend analysis with data from Google Analytics

August 25, 2009
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Web-site trend analysis with data from Google Analytics

This post is a summary of my two previous posts on the trend analysis with the Cox-Stuart test and on simple linear regression. The goal that we propose is to assess the trend in the number of visits received from a site over a long time. I use Google Analytics, because this tool allows us to save...

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Web-site trend analysis with data from Google Analytics

August 25, 2009
By
Web-site trend analysis with data from Google Analytics

This post is a summary of my two previous posts on the trend analysis with the Cox-Stuart test and on simple linear regression. The goal that we propose is to assess the trend in the number of visits received from a site over a long time. I use Google Analytics, because this tool allows us to save...

Read more »

Test cointegration with R

Cointegrated pairs of securities are crucial for mean reversion trading portfolio construction, Play with cointegration has several good papers to start with. Should you want to test pairs of securities for cointegration using R, here is an excellent ...

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Simple visualization of a 11X5 table (for WordPress 2.9 Features Vote Results)

July 31, 2009
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Simple visualization of a 11X5 table (for WordPress 2.9 Features Vote Results)

I guess this is not the number one post I would like to start with on this blog, but I feel the time is right for it (community-wise). I’ll move on to the subject matter in a moment, but first a short intro: This blog is written by Tal Galili. I am ...

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Simple visualization of a 11X5 table (for WordPress 2.9 Features Vote Results)

July 31, 2009
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Simple visualization of a 11X5 table (for WordPress 2.9 Features Vote Results)

I guess this is not the number one post I would like to start with on this blog, but I feel the time is right for it (community-wise). I’ll move on to the subject matter in a moment, but first a short intro: This blog is written by Tal Galili. I am an aspiring statistician who

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OECD Statistics

July 2, 2009
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OECD Statistics

I am a sucker for good quality data. I wrote about data.gov, the US Government data site before, and now I find OECD Statistics which has some 300 data sets, many of which seems to be readily accessible (though some may require subscription)

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