659 search results for "knitr"

svglite 1.0.0

December 10, 2015
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svglite 1.0.0

I’m pleased to announced a new package for producing SVGs from R: svglite. This package is a fork of Matthieu Decorde RSvgDevice and wouldn’t be possible without his hard work. I’d also like to thank David Gohel who wrote the gdtools package: it solves all the hardest problems associated with making good SVGs from R.

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Wald’s graphical sequential inspection procedure

December 10, 2015
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Wald’s graphical sequential inspection procedure

by John Mount Ph.D. Data Scientist at Win-Vector LLC Our most recent article was a dynamic programming solution to the A/B test problem. Explicitly solving such dynamic programs is a long and tedious process, so you are well served by finding and introducing clever invariants to track (something better than just raw win-rates). This clever idea, called "sequential analysis",...

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Venezuelan Parliamentary Election: What do the Polls Say?

December 5, 2015
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Venezuelan Parliamentary Election: What do the Polls Say?

There is not a huge population of opinion polls covering this parliamentary election in Venezuela, but all I've can be used to gauge the public opinion by the local polling houses. This posting begs an obvious question: how has the mood in Venezuela varied over time with respect to voting intentions for the two political blocs? Next, can we...

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Venezuelan Parliamentary Election: What do the Polls Say?

December 5, 2015
By
Venezuelan Parliamentary Election: What do the Polls Say?

There is not a huge population of opinion polls covering this parliamentary election in Venezuela, but all I’ve can be used to gauge the public opinion by the local polling houses. This posting begs an obvious question: how has the mood in Venezuela varied over time with respect to voting intentions for the two political blocs? Next, can we...

Read more »

Venezuelan Parliamentary Election: What do the Polls Say?

December 5, 2015
By
Venezuelan Parliamentary Election: What do the Polls Say?

There is not a huge population of opinion polls covering this parliamentary election in Venezuela, but all I’ve can be used to gauge the public opinion by the local polling houses. This posting begs an obvious question: how has the mood in Venezuela varied over time with respect to voting intentions for the two political blocs? Next, can we...

Read more »

Exploring Recursive CTEs with sqldf

December 1, 2015
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Exploring Recursive CTEs with sqldf

by Bob Horton Sr. Data Scientist at Microsoft Common table expressions (CTEs, or “WITH clauses”) are a syntactic feature in SQL that makes it easier to write and use subqueries. They act as views or temporary tables that are only available during the lifetime of a single query. A more sophisticated feature is the “recursive CTE”, which is a...

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The R-Podcast Episode 14: Tips and Tricks for using R-Markdown

November 18, 2015
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The R-Podcast is back up and running! In this episode I discuss some useful resources and helpful tips/extensions that have greatly enhanced my work flow in creating reproducible analysis documents via R-Markdown. I also highlight some exciting new endeavors in the R community as well as provide my take on two key events that further

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The R-Podcast Episode 14: Tips and Tricks for using R-Markdown

November 18, 2015
By

The R-Podcast is back up and running! In this episode I discuss some useful resources and helpful tips/extensions that have greatly enhanced my work flow in creating reproducible analysis documents via R-Markdown. I also highlight some exciting new endeavors in the R community as well as provide my take on two key events that further illustrate the rapidly growing use of R across...

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Creating nice tables using R Markdown

November 17, 2015
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Creating nice tables using R Markdown

One of the neat tools available via a variety of packages in R is the creation of beautiful tables using data frames stored in R. In what follows, I’ll discuss these different options using data on departing flights from Seattle … Continue reading →

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Interactive Data Science with R in Apache Zeppelin Notebook

November 16, 2015
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Interactive Data Science with R in Apache Zeppelin Notebook

Introduction The objective of this blog post is to help you get started with Apache Zeppelin notebook for your R data science requirements. Zeppelin is a web-based notebook that enables interactive data analytics. You can make beautiful data-driven, interactive and collaborative documents with Scala(with Apache Spark), Python(with Apache Spark), SparkSQL, Hive, Markdown, Shell and more.…

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