2900 search results for "ggplot"

R vs Python: Survival Analysis with Plotly

June 24, 2015
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R vs Python: Survival Analysis with Plotly

(This article was first published on Plotly Blog, and kindly contributed to R-bloggers) We just published a new Survival Analysis tutorial. You can find code, an explanation of methods, and six interactive ggplot2 and Python graphs here. How We Built It Survival analysis is a set of statistical methods for analyzing events over time: time to death in biological...

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Modeling Interest Rates Meucci Style

June 24, 2015
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Modeling Interest Rates Meucci Style

I have signed up for Attilio Meucci’s ARPM Bootcamp next month (July 13-18) in NYC http://www.symmys.com/arpm-bootcamp, and need to do quite a bit of prep as it’s going to be a deep-dive…The Advanced Risk and Portfolio Management Bootcamp provides in-depth understanding of buy-side modeling from the foundations to the most advanced statistical and optimization techniques, in 6...

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Sales Funnel visualization with R

Sales Funnel visualization with R

Sales (purchasing or conversion) Funnel is a consumer-focused marketing model which illustrates the theoretical customer journey towards the purchase of a product or service. Classically, the Sales funnel includes at least four steps: Awareness – the customer becomes aware of the existence of a product or service, Interest – actively expressing an interest in a product... Read More »

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licorice: plot Likert-like data

June 16, 2015
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licorice: plot Likert-like data

I wanted to create a nice visualization from a survey data set. I quickly stumbled upon the likert package (go check it out). I did however have some trouble getting it to work the way I wanted. Therefore I made a quick implementation of my own that y...

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Visualization and Analysis of Reddit’s "The Button" Data

June 15, 2015
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Visualization and Analysis of Reddit’s "The Button" Data

IntroductionPeople are weird. And if there's anything that's greater collective proof of this fact than Reddit, you'd be hard pressed to find it.I tend to put reddit in the same bucket as companies like Google, Amazon and Netflix, where they have enoug...

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Shiny Wool Skeins

June 15, 2015
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Shiny Wool Skeins

Chaos is not a pit: chaos is a ladder (Littlefinger in Game of Thrones) Some time ago I wrote this post to show how my colleague Vu Anh translated into Shiny one of my experiments, opening my eyes to an amazing new world. I am very proud to present you the first Shiny experiment entirely … Continue reading...

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Plotting spatial neighbors in ggmap

June 15, 2015
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Plotting spatial neighbors in ggmap

The R package spdep has great utilities to define spatial neighbors (e.g. dnearneigh, knearneigh, with a nice vignette to boot), but the plotting functionality is aimed at base graphics. If you’re hoping to plot spatial neighborhoods as line segments in ggplot2, or ggmap, you’ll need the neighborhood data to be stored in a data frame. So, to...

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HTTPS for CRAN: how and why

June 13, 2015
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HTTPS for CRAN: how and why

R gained some basic support for https in version 3.2.0 (see NEWS) via the method = "libcurl" argument in base functions download.file and url. The global option download.file.method is used to make this the default. Unfortunately the implementation has a few limitations: there is no way to set request options (authentication, proxy,...

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ggtree with funny fonts

June 12, 2015
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ggtree with funny fonts

showtext is a neat solution to use various types of fonts in R graphs and make it easy to use funny fonts. With showtext, we can draw phylogenetic tree with different types of fonts even with symbolic/icon fonts. Read More: 638 Words Totally

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Wanted: A Perfect Scatterplot (with Marginals)

June 11, 2015
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Wanted: A Perfect Scatterplot (with Marginals)

We saw this scatterplot with marginal densities the other day, in a blog post by Thomas Wiecki: The graph was produced in Python, using the seaborn package. Seaborn calls it a “jointplot;” it’s called a “scatterhist” in Matlab, apparently. The seaborn version also shows the strength of the linear relationship between the x and y … Continue reading...

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