1769 search results for "regression"

Measuring Bias in Published Work

July 31, 2013
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Measuring Bias in Published Work

In a series of previous posts, I’ve spent some time looking at the idea that the review and publication process in political science—and specifically, the requirement that a result must be statistically significant in order to be scientifically notable or publishable—produces a very misleading scientific literature. In short, published studies of some relationship will tend

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Measuring Bias in Published Work

July 31, 2013
By
Measuring Bias in Published Work

In a series of previous posts, I’ve spent some time looking at the idea that the review and publication process in political science—and specifically, the requirement that a result must be statistically significant in order to be scientifically notable or publishable—produces a very misleading scientific literature. In short, published studies of some relationship will tend

Read more »

Crowdfunding the Ubuntu Edge will fail

July 30, 2013
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Crowdfunding the Ubuntu Edge will fail

Tuesday 30 July 2013 - 14:14 Although the Ubuntu Edge has been record-breaking in its crowdfunding efforts, the fundraising campaign will fall well short of its 32 million dollar target. Just to be clear, I hope to be proven wrong! I backed the Ubuntu Edge Indiegogo fundraiser at the $625 level...

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A JAGS calculation on pattern of rain January 1906-1915 against 2003-2012

July 28, 2013
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Two weeks ago I showed rain data from six stations in Netherlands years 1906 till now. Last week I showed that frequency of days with and without rain differed between December 1906-1915 and December 2003-2012. This week I am considering the ...

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Electricity Usage in a High-rise Condo Complex pt 4

July 24, 2013
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Electricity Usage in a High-rise Condo Complex pt 4

This is the fourth article in the series, where the techiness builds to a crescendo. If this is too statistical/programming geeky for you, the next posting will return to a more investigative and analytical flavor. Last time, we looked at … Continue reading →

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R Credit Scoring – WoE & Information Value in woe Package

July 23, 2013
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R Credit Scoring – WoE & Information Value in woe Package

In credit scoring, Information Value (IV) is frequently used to compare predictive power among variables. When developing new scorecards using logistic regression, variables are often binned and recoded using WoE concept. Package riv will help you to a...

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Using survival models for marketing attribution

July 23, 2013
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by Andrie de Vries Prior to joining Revolution Analytics in March this year, I spent several years in the field of market research and survey analytics. During this period, I spent a few months consulting to a digital marketing agency based in London. My role was to help build their capability in building customer surveys and integrating these into...

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Hierarchical Linear Model

July 22, 2013
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Hierarchical Linear Model

Linear regression probably is the most familiar technique of data analysis, but its application is often hamstrung by model assumptions. For instance, if the data has a hierarchical structure, quite often the assumptions of linear regression are feas...

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Oracle R Connector for Hadoop 2.2.0 released

July 19, 2013
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Oracle R Connector for Hadoop 2.2.0 is now available for download. The Oracle R Connector for Hadoop 2.x series has introduced numerous enhancements, which are highlighted in this article and summarized as follows:  ORCH 2.0.0  ORCH 2.1.0  ORCH...

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Connect R with Myrrix – Mahout & Cloudera’s real-time, scalable recommender system

Connect R with Myrrix – Mahout & Cloudera’s real-time, scalable recommender system

(This article was first published on BNOSAC - Belgium Network of Open Source Analytical Consultants, and kindly contributed to R-bloggers) Myrrix is probably more known by java developers and users of Mahout than R users. This is because most of the times java and R developers live in a different community.  If you go to the website of Myrrix...

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