Predicting pneumonia outcomes: EDA part 1

August 4, 2020 | R on notast

Intro Data dictionary EDA blueprint Outcome Discard the noise 1 Other_ related category 2 Pt_ Patient related category Appropriate patients Case_number Age 3 R_ Radiology related category Effusion and effusion site On chest x-ray ( R_CXR_effusion, R_CXR_effusionSite) On CT chest (R_CT_effusion, R_CT_effusionSite) 4 SS_ Category related ...
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Cheesecake Diagrams: Pie Charts with a Different Flavour

August 4, 2020 | Peter Prevos

Part of my job at a regional water utility involves visualising operational data. We manage water and sewerage services for a large number of small and medium-sized towns in regional Victoria (Australia). Traditionally, performance reports consist of extensive tables filled with numbers with a line for each city. To make ...
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Do, Share, Teach, and Learn Data Science with RStudio Cloud

August 4, 2020 | Lou Bajuk

RStudio is proud to announce the general availability of RStudio Cloud, its cloud-based platform for doing, teaching, and learning data science using only a browser. This general release incorporates feedback from thousands of users, based on more than 3.5 million hours of compute time. What is RStudio Cloud? RStudio Cloud is ... [Read more...]

LDA: 4321

August 3, 2020 | [email protected]

Table of Contents Libraries Introduction Data LDA on Chapters Mistaken words References Libraries These libraries will be needed to conduct the research. library(topicmodels) library(plyr) library(tidyverse) library(tidytext) librar...
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Books and code

August 3, 2020 | R | Gianluca Baio

This comes as the results of two external forces that have prompted me to do some work on the website — specifically the section on books. The first one is the newest version of hugo-academic (which is the engine underlying the whole of my websi... [Read more...]

Demonstrating The Central Limit Theorem in R

August 3, 2020 | R on orrymr.com

In this post we'll talk about what the Central Limit Theorem is, why it's important, and how we can see it in action, using R.
# Libraries used in this article:
library(ggplot2)
library(ggthemes)
library(stringr)

# Theme used for graphing:
theme_set(theme_economist())
Table of Contents Introduction - What is the Central Limit Theorem? Why is it important? Let's see it in action 1. Introduction - What is ... [Read more...]

Books and code

August 3, 2020 | R | Gianluca Baio

This comes as the results of two external forces that have prompted me to do some work on the website — specifically the section on books. The first one is the newest version of hugo-academic (which is the engine underlying the whole of my website, together with the R package blogdown). ... [Read more...]

A hurdle model for COVID-19 infections in nursing homes

August 3, 2020 | Keith Goldfeld

Late last year, I added a mixture distribution to the simstudy package, largely motivated to accommodate zero-inflated Poisson or negative binomial distributions. (I really thought I had added this two years ago - but time is moving so slowly these days.) These distributions are useful when modeling count data, but ...
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finding contour lines

August 3, 2020 | Super User

Finally, the R package you all have been waiting for has arrived - image.ContourDetector developed at https://github.com/bnosac/image. It detects contour lines in images alongside the 'Unsupervised Smooth Contour Detection' algorithm available at http://www.ipol.im/pub/art/2016/175. Have you always wanted to be able ... [Read more...]

Quantifying the Expected Value of Information

August 2, 2020 | R | All Your Bayes

TLDR We sometimes have the option to purchase additional information (like paying for an experiment to be performed, or for a report from an expert consultant) to help us in problems of decision making under uncertainty. Deciding whether or not such services are worthwhile is challenging - how do we ...
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Effect of COVID-19 on Our Mobility

August 2, 2020 | Ibrahim Awad

I just moved to NYC in January 2020. My reason for moving was to enjoy the socially rich community and the plethora of activities that I could explore, such as museums, cute little theaters, Broadway shows, fancy stores, riding the subway and watching people, restaurants and the fun nightlife. And I ...
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