217 search results for "heatmap"

R: heatmaps with gplots

April 8, 2010
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R: heatmaps with gplots

I use heatmaps quite a lot for visualizing data, microarrays of course but also DNA motif enrichment, base composition and other things. I particular like the heatmap.2 function of the gplots package. It has a couple of defaults that are a little ugly ...

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ggplot2: Quick Heatmap Plotting

January 25, 2010
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ggplot2: Quick Heatmap Plotting

A post on FlowingData blog demonstrated how to quickly make a heatmap below using R base graphics. This post shows how to achieve a very similar result using ggplot2. Data Import FlowingData used last season’s NBA basketball statistics provided by databasebasketball.com, and the csv-file with the data can be downloaded directly from its website. >

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15 graphs on consumer and brand research made by Plotly users

February 8, 2016
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15 graphs on consumer and brand research made by Plotly users

Below are 15 charts made in Plotly or using Ploty’s APIs by users on Brand and consumer Research. 1. So what if I’m old – Brand choices for Age > 60 Chart Link: https://plot.ly/~snawel/80/brand-choices-for-age-60/ Chart Author: @ snawel Touched up in: Plotly online editor Code: Python code R Code 2. DND, I am watching TV

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100 “must read” R-bloggers’ posts for 2015

January 20, 2016
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100 “must read” R-bloggers’ posts for 2015

The site R-bloggers.com is now 6 years young. It strives to be an (unofficial) online news and tutorials website for the R community, written by over 600 bloggers who agreed to contribute their R articles to the website. In 2015, the site served almost 17.7 million pageviews to readers worldwide. In celebration to R-bloggers’ 6th birth-month, here are the top 100 most read R posts written...

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R trends in 2015 (based on cranlogs)

January 20, 2016
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It is always fun to look back and reflect on the past year. Inspired by Christoph Safferling's post on top packages from published in 2015, I decided to have my own go at the top R trends of 2015. Contrary to Safferling's post I'll try to also (1) look at packages from previous years that hit the big...

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Health Care Indicators in Utah Counties

January 10, 2016
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Health Care Indicators in Utah Counties

The state of Utah (my adopted home) has an Open Data Catalog with lots of interesting data sets, including a collection of health care indicators from 2014 for the 29 counties in Utah. The observations for each county include measurements such as the infant mortality rate, the percent of people who don’t have insurance, what percent of...

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Zellingenach: A visual exploration of the spatial patterns in the endings of German town and village names in R

January 3, 2016
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Zellingenach: A visual exploration of the spatial patterns in the endings of German town and village names in R

Moritz Stefaner started off 2016 with a very spiffy post on “a visual exploration of the spatial patterns in the endings of German town and village names”. Moritz was exploring some new data processing & visualization tools for the post, but when I saw what he was doing I wondered how hard it would be

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A Visualization of World Cuisines

December 28, 2015
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A Visualization of World Cuisines

In a previous post, we had ‘mapped’ the culinary diversity in India through a visualization of food consumption patterns. Since then, one of the topics in my to-do list was a visualization of world cuisines. The primary question was similar to that asked of the Indian cuisine: Are cuisines of geographically and culturally closer regions

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Analyzing networks of characters in ‘Love Actually’

December 25, 2015
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Analyzing networks of characters in ‘Love Actually’

Every Christmas Eve, my family watches Love Actually. Objectively it’s not a particularly, er, good movie, but it’s well-suited for a holiday tradition. (Vox has got my back here). Even on the eighth or ninth viewing, it’s impressive what an intricate network of characters it builds. This got me wondering how we could visualize the connections quantitatively, based...

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Modeling How Consumers Simplify the Purchase Process by Copying Others

December 23, 2015
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Modeling How Consumers Simplify the Purchase Process by Copying Others

A Flower That Fits the BillMarketing borrows the biological notion of coevolution to explain the progressive "fit" between products and consumers. While evolutionary time may seem a bit slow for product innovation and adoption, the same metaphor can be...

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