1745 search results for "EXCEL"

Plain Text, Papers, Pandoc

January 22, 2014
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Plain Text, Papers, Pandoc

Over the past few months, I’ve had several people ask me about the tools I use to put papers together. I maintain a page of resources somewhat grandiosely headed “Writing and Presenting Social Science”. Really it just makes public some configuration files and templates for my text editor and related tools. Things have changed a little recently—which led...

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Second NYC R classes(announcement and teaching experience)

January 20, 2014
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Second NYC R classes(announcement and teaching experience)

(The photo was from our first offering of R classes) We are going to offer our Data Science by R (beginner level) course again in February. The goal of this class is to get students to a point where they are self-sufficient in R, are proficient at analyzing data and can take these skills back to their full-time jobs....

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Visualization Series: Using Scatterplots and Models to Understand the Diamond Market (so You Don’t Get Ripped Off)

January 19, 2014
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Visualization Series: Using Scatterplots and Models to Understand the Diamond Market (so You Don’t Get Ripped Off)

My last post railed against the bad visualizations that people often use to plot quantitive data by groups, and pitted pie charts, bar charts and dot plots against each other for two visualization tasks.  Dot plots came out on top. … Continue reading →

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In data scientist survey, R is the most-used tool (other than databases)

January 15, 2014
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In data scientist survey, R is the most-used tool (other than databases)

O'Reilly has just published the results of the Data Scientist Salary Survey, based on data collected from attendees of the O'Reilly Strata conferences in 2012 and 2013. There were some interesting results from the salary portion of the survey: data scientists at early-stage startups earned a median salary of US$130,000 data scientists at public companies earned a higher median...

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BMHE & BCEA get a shout in published paper

January 15, 2014
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BMHE & BCEA get a shout in published paper

Panagiotis Petrou has posted a link to a recent paper of his, which develops a cost-effectiveness analysis of a drug used as a second-line treatment of renal carcinoma. The analysis is based on a Bayesian Markov model. But (from an incredibly self...

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Popularity Contest

January 15, 2014
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Popularity Contest

Although I am sure most of the bloggers that discuss R on R-bloggers are not all that concerned with popularity, I thought it would be interesting to analyze (with R and rCharts, of course) the popularity of these bloggers using Feedly’s API.   After building the chart, I got to thinking about these two...

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The Extra Step: Graphs for Communication versus Exploration

January 12, 2014
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The Extra Step: Graphs for Communication versus Exploration

Visualization is a useful tool for data exploration and statistical analysis, and it’s an important method for communicating your discoveries to others. While those two uses of visualization are related, they aren’t identical. One of the reasons that I like ggplot so much is that it excels at layering together multiple views and summaries of Related posts:

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Converting a JAGS model to STAN

January 11, 2014
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For my first experience with STAN I wanted to convert my last JAGS program into STAN. This was a bit more difficult than I expected. The JAGS program was Fe concentration in rainwater including values below detection level.DataData has been explained b...

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Introduction to R for Quantitative Finance – Book Review

January 10, 2014
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Introduction to R for Quantitative Finance – Book Review

I used some spare time I had over the christmas break to review a book I came across: Introduction to R for Quantitative Finance. An introduction to the book by the authors can be found here. The book targets folks with some finance knowledge but no or little experience with R. Each chapter is organised around a

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R vs Spreadsheets

January 8, 2014
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R vs Spreadsheets

One of the myriad of reasons we created the Data Driven Security blog was to provide pointers to data analysis and visualization resources for security domain experts who may have not been exposed to these types of tools. I’d venture a posit that most folks jump into some type of spreadsheet software whenever they get their hands on a manageable...

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