3149 search results for "ggplot"

SweetheaRstats

February 12, 2015
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I felt compelled to dust off my 2013 Valentine’s Day #rstats post and make it all Shiny and new again. I used the same math from that post, but made the polygon a bit sharper and used ggplot2 for the plotting. To kick it up a bit, I decided to pay homage to a local

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Eight New Ideas From Data Visualization Experts

February 12, 2015
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Eight New Ideas From Data Visualization Experts

This post summarizes and visualizes eight key ideas we’ve heard from data visualization experts. Check out our first Case Study to learn more about using Plotly Enterprise on-premise, on your servers. To get started on free online graphing like in this post, check out our tutorials. Make Interactive Graphs Pictures of graphs in PowerPoints, dashboards, and emails can...

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MazamaSpatialUtils Package

February 11, 2015
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MazamaSpatialUtils Package

This entry is part 15 of 15 in the series Using RMazama Science has just released its first package on CRAN — MazamaSpatialUtils. Here is the description: A suite of conversion scripts to create internally standardized spatial polygons dataframes. Utility …   read more ...

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Code as Magic, and the Vernacular of Data Wrangling Verbs

February 11, 2015
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Code as Magic, and the Vernacular of Data Wrangling Verbs

It’s been some time now since I drafted most of my early unit contributions to the TM351 Data management and analysis course. Part of the point (for me) in drafting that material was to find out what sorts of thing we actually wanted to say and help identify the sorts of abstractions we wanted to

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Autocommit with ceODBC is slow

February 10, 2015
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Autocommit with ceODBC is slow

You already know that a SQL INSERT is faster with bulk loading than inserting a record at a time, but what about the effect of autocommit on performance? While this is probably not specific to ceODBC, using autocommit is astonishingly slow. Here is how slow. First, the Python code to run the benchmark:import ceODBCimport datetimeimport osimport timeconnection_string="driver=sql...

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Why you should start by learning data visualization and manipulation

February 10, 2015
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One of the biggest issues that comes up when I talk to people who want to get started learning data science is the following: I don’t know where to get started! Recently, I argued that R is the best programming language to learn when you’re getting started with data science. While this helps you select The post

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Mixing Waves

February 10, 2015
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Mixing Waves

Fill a cocktail shaker with ice; add vodka, triple sec, cranberry, and lime, and shake well; strain into a chilled cocktail glass and garnish with orange twist (Cosmopolitan Cocktail Recipe) This is a tribute to Blaise Pascal and Joseph Fourier, two of the greatest mathematicians in history. As Pascal did in his famous triangle, I generate a set of … Continue reading...

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[ggtree] updating a tree view using %<% operator

February 9, 2015
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[ggtree] updating a tree view using %<% operator

I am very exciting that I have received very positive feedback from Ahmed Moustafa and Simon Frost. Read More: 401 Words Totally

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Hierarchical log odds model example

February 8, 2015
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Hierarchical log odds model example

I am working through Bayesian Approaches to Clinical Trials and Health-Care Evaluation (David J. Spiegelhalter, Keith R. Abrams, Jonathan P. Myles) (referred to as BACTHCE from here on). In chapter three I saw an example (3.13) where I wanted to d...

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Introducing stackr: An R package for querying the Stack Exchange API

February 3, 2015
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Introducing stackr: An R package for querying the Stack Exchange API

There’s no end of interesting data analyses that can be performed with Stack Overflow and the Stack Exchange network of Q&A sites. Earlier this week I posted a Shiny app that visualizes the personalized prediction data from their machine learning system, Providence. I’ve also looked at whether high-reputation users were decreasing their answering activity over time,...

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