3658 search results for "GIS"

Using R to replicate common SPSS multiple regression output

December 4, 2013
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Using R to replicate common SPSS multiple regression output

(This article was first published on Jeromy Anglim's Blog: Psychology and Statistics, and kindly contributed to R-bloggers) The following post replicates some of the standard output you might get from a multiple regression analysis in SPSS. A copy of the code in RMarkdown format is available on github. The post was motivated by this previous post that discussed using...

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14 Analytics Predictions for 2014

December 3, 2013
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In a live webinar today hosted by Alteryx, five industry experts shared 14 analytics predictions for 2014. The panel included Paul Ross (Alteryx), Charles Zedlewski (Cloudera), Rick Schultz (Alteryx), Ellie Fields (Tableau) and Michele Chambers (Revolution Analytics). Their predictions were: Analysts will matter more than data scientists R will replace legacy SAS solutions and go mainstream Big Data will...

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Shiny Server 0.4

December 3, 2013
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Shiny Server 0.4

Today, we’re excited to announce the release of Shiny Server version 0.4 as well as the availability of a beta version of Shiny Server Professional Edition. Shiny Server is a platform for hosting Shiny Applications over the Web and has undergone substantial work in the past few months. We have fixed many bugs, added stability enhancements,

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R in Insurance Conference, London, 14 July 2014

December 3, 2013
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R in Insurance Conference, London, 14 July 2014

Following the very positive feedback that Andreas and I have received from delegates of the first R in Insurance conference in July of this year, we are planning to repeat the event next year. We have already reserved a bigger auditorium. The second conference on R in Insurance will be held on Monday 14 July 2014...

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Twitter Battle

December 2, 2013
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Twitter Battle

I love to have fun with R and Twitter...there are a lot of cool things that you can do with it...so I just thought of having a small Twitter Battle application...something that will grab the number of followers and lists from two users...apply some cra...

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Twitter unfollowers with R and Rook – Revisited

December 2, 2013
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Twitter unfollowers with R and Rook – Revisited

Some time ago I wrote a post called Twitter unfollowers with R and Rook where I used R and Twitter to get a list of the people that we follow...but that doesn't follow us back...Right now...that post is obsolete as Twitter changed its API to API 1...

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Basic overview of the rmongodb package for R

December 2, 2013
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I have been playing around with MongoDB quite a bit over the last few months.  Because I am much better at coding in R, I decided to write up my notes on how to use the rmongodb package. This is not a comprehensive tutorial by any stretch, but I wanted to share my notes as

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Speeding up model bootstrapping in GNU R

December 2, 2013
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After my last post I have recurringly received two questions: (a) is it worthwhile to analyze GNU R speed in simulations and (b) how would simulation speed compare between GNU R and Python. In this post I want to address the former question and next ti...

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Ensemble, Part2 (Bootstrap Aggregation)

December 1, 2013
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Ensemble, Part2 (Bootstrap Aggregation)

Part 1 consisted of building a classification tree with the "party" package.  I will now use "ipred" to examine the same data with a bagging (bootstrap aggregation) algorithm. > library(ipred)> train_bag = bagging(class ~ ., data=train, coob...

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A few random things

December 1, 2013
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