3853 search results for "GIS"

Introduction to R for Data Science :: Session 8 [Intro to Text Mining in R, ML Estimation + Binomial Logistic Regression]

June 21, 2016
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Introduction to R for Data Science :: Session 8 [Intro to Text Mining in R, ML Estimation + Binomial Logistic Regression]

Welcome to Introduction to R for Data Science, Session 8: Intro to Text Mining in R, ML Estimation + Binomial Logistic Regression [Web-scraping with tm.plugin.webmining. The tm package corpora structures: assessing document metadata and content. Typical corpus transformations and Term-Document Matrix production. A simple binomial regression model with tf-idf scores as features and its shortcommings due to sparse data....

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R for Publication by Page Piccinini: Lesson 3 – Logistic Regression

June 9, 2016
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R for Publication by Page Piccinini: Lesson 3 – Logistic Regression

Today we’ll be moving from linear regression to logistic regression. This lesson also introduces a lot of new dplyr verbs for data cleaning and summarizing that we haven’t used before. Once again, I’ll be taking for granted some of the set-up steps from Lesson 1, so if you haven’t done that yet be sure to go Lesson 3: Logistic...

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RQGIS – integrating R with QGIS

June 3, 2016
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RQGIS – integrating R with QGIS

This is the excerpt for your very first post.

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QGIS, Open Source GIS & R

May 31, 2016
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QGIS, Open Source GIS & R

Today’s post is by Kurt Menke, the owner of Bird’s Eye View GIS, a GIS consultancy. Kurt also wrote the book Mastering QGIS. In my latest course (Shapefiles for R Programmers) I briefly introduce people to QGIS. Kurt’s post below gives you a roadmap for learning more.  I come to this blog from a slightly different, The post

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End to end Logistic Regression in R

May 29, 2016
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End to end Logistic Regression in R

Logistic regression, or logit regression is a regression model where the dependent variable is categorical. I have provided code below to perform end-to-end logistic regression in R including data preprocessing, training and evaluation. The dataset used can be downloaded from here.

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Early bird registration for R in Insurance closes 30 May

May 24, 2016
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Early bird registration for R in Insurance closes 30 May

Hurry! The early bird registration offer for the 4th R in Insurance conference, 11 July 2016, at Cass Business School closes 30 May.This one-day conference will focus once more on applications in insurance and actuarial science that use R, the lingua...

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Register now for Hadley Wickham’s Master R in Amsterdam

April 30, 2016
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Register now for Hadley Wickham’s Master R in Amsterdam

On May 19 and 20, 2016, Hadley Wickham will teach his two day Master R Developer Workshop in the centrally located European city of Amsterdam. This is the first time we’ve offered Hadley’s workshop in Europe. It’s a rare chance to learn from Hadley in person. Only 3 public Master R Developer Workshop classes are

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R and GIS – working with shapefiles

April 18, 2016
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R and GIS – working with shapefiles

R has some very useful libraries for working with spatial data. In this blog we will look at some of the libraries and demonstrate few basic functionalities. Lets start with reading a shapefile. How to read a shapefile : We will use the maptools package to read the shape file. Along with the maptools package,… Read More »

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Registration for R/Finance 2016 is open!

April 11, 2016
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You can find registration information and agenda details on the conference website.  Or you can go directly to the Cvent registration page.Note that registration fees will increase by 50% at the end of early regi...

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An R Package for the “controversial” counts of registered voters in Uganda

February 12, 2016
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An R Package for the “controversial” counts of registered voters in Uganda

Some members of the Ugandan media have claimed that counts of registered voters for the 2016 General Election, contain almost 20,000 “ghost voters”.  This is according to their analyses (using excel) of data released by the Uganda Electoral Commission (EC), the body charged with conducting a free and fair election. With voting just 8 days away, I wanted to compile...

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