925 search results for "sql"

Solve common R problems efficiently with data.table

December 10, 2015
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I was recently browsing stackoverflow.com (often called SO) for the most voted questions under R tag. To my surprise, many questions on the first page were quite well addressed with the data.table package. I found a few other questions that could benefit from a data.table answer, therefore went ahead and answered them. In this post, I’d like to summarise them...

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R tutorials

December 10, 2015
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There are tons of resources to help you learn the different aspects of R, and as a beginner this can be overwhelming. It’s also a dynamic language and rapidly changing, so it’s important to keep up with the latest tools and technologies. That’s why R-bloggers and DataCamp have worked together to bring you a learning path for R. Each section...

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What do we ask in stack overflow

December 9, 2015
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What do we ask in stack overflow

How many times you have an error in your code, query, etc and you don't have the solution? How many times in these cases you open your favorite browser and search in your favorite search engine and type (I mean copy/paste) that error and you click the first result you get and then you don't feel alone in this planet: "other people...

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asdfree 2015-12-09 04:28:00

December 9, 2015
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obsessively-detailed instructions to analyze publicly-available survey data with free tools - the r language, the survey package, and (for big data) sqlsurvey + monetdb.governments spend billions of dollars each year surveying their populations.  ...

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Data Science Radar – Data Wrangler Profile

December 7, 2015
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Data Science Radar – Data Wrangler Profile

by Steph Locke, Mango Solutions @SteffLocke Steph Locke Data Science Radar – Nov 2015 1. Tell us a bit about your background in Data Science I started off as a Product Analyst doing a bit of this, a bit of … Continue reading →

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Microsoft’s new Data Science Virtual Machine

December 4, 2015
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Earlier this week, Andrie showed you how to set up and provision your own virtual machine (VM) to run R and RStudio in Azure. Another option is to use the new Microsoft Data Science Virtual Machine, a pre-configured instance that includes a suite of tools useful to data scientists, including: Revolution R Open (performance-enhanced R) Anaconda Python Visual Studio...

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Sixer – R package cricketr’s new Shiny avatar

November 29, 2015
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Sixer – R package cricketr’s new Shiny avatar

In this post I create a Shiny App, Sixer, based on my R package cricketr. I had developed the R package cricketr, a few months back for analyzing the performances of batsman and bowlers in all formats of the game (Test, ODI and Twenty 20). This package uses the statistics info available in ESPN Cricinfo

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R online classes with leading experts at statistics.com (33% discount)

November 24, 2015
By
2015-11-25 00_49_11-Clipboard

Statistics.com is an online learning website with 100+ courses in statistics, analytics, data mining, text mining, forecasting, social network analysis, spatial analysis, etc. They have kindly agreed to offer R-Bloggers readers a reduced rate of $399 for any of their 23 courses in R, Python, SQL or SAS.  These are high-impact courses, each 4-weeks long (normally costing up to $589).  They...

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Course Management and Collaborative Jupyter Notebooks via SageMathCloud

November 24, 2015
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Course Management and Collaborative Jupyter Notebooks via SageMathCloud

Prompted by a joint coursemodule team to look at options surrounding a “virtual computing lab” to support a couple of new level 1 (first year equivalent) IT and computing courses (they should know better?!;-), I had another scout around and came across SageMathCloud, which looks at first glance to be just magical:-) An open source,

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statistically significant trends with multiple years of complex survey data

November 22, 2015
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statistically significant trends with multiple years of complex survey data

guest post by my friend thomas yokota, an oahu-based epidemiologist. palmero professor vito muggeo wrote the joinpoint analysis section of the code below to demonstrate that the segmented package eliminates the need for external (registration-only, windows-only) software. survey package creator...

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