April, 2020 | R-bloggers

GARCHery

April 3, 2020 | R on OSM

In our last post, we discussed using the historical average return as one method for setting capital market expectations prior to constructing a satisfactory portfolio. We glossed over setting expectations for future volatility, mainly because it is such a thorny issue. However, we read an excellent tutorial on GARCH models ...

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patientcounter

April 3, 2020 | HighlandR

fast, flexible census tables - Counting patients is hard Blimey. It’s over 3 years since I collaborated with Neil Pettinger on some plots to demonstrate patient flow, using R. What started out as a supposed quick blog post morphed into sever... [Read more...]

patientcounter

April 3, 2020 | HighlandR

fast, flexible census tables - Counting patients is hard Blimey. It’s over 3 years since I collaborated with Neil Pettinger on some plots to demonstrate patient flow, using R. What started out as a supposed quick blog post morphed into sev...

[Read more...]

Why R? Webinar on R/exams for E-Learning Quizzes and Beyond

April 3, 2020 | R/exams

Webinar hosted by Why R? Foundation: Slides, video, and e-learning resources. Why R? Webinar 001 R/exams was presented in the first Why R? webinar by Achim Zeileis. Marcin Kosiński was the host and did a great job se... [Read more...]

How to {magick}ally Visualize Historical Google Maps Traffic Data

April 3, 2020 | Emmanuel ỌLÁMÍJÙWỌ́N

Motivation Many African countries have implemented a full lockdown strategy to curb the spread of CoVID-19. I thought it was interesting to see how compliance would vary across cities without relying solely on news media. Unfortunately, Google Maps does not provide historical traffic data beyond traffic information on a Typical (... [Read more...]

Employee Spotlight: Spearheading Skill Assessments at DataCamp

April 3, 2020 | Joyce Chiu

What was your journey to joining DataCamp? For me, it all started with a passion for statistics. Being able to see the possibilities that data offered led me to spend seven years at university studying as much statistics as I possibly could. I then j...

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COVID-19 shiny / plotly dashboard

April 3, 2020 | Sebastian Wolf

Governments and COVID-19: Which one stops it faster, better, has fewer people dying? These questions get answered with my dashboard. A contribution to the shiny-contest: https://community.rstudio.com/t/material-design-corona-covid-19-dashboard-2020-shiny-contest-submission/59690 Intro COVID-19 is the […]

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COVID-19 shiny / plotly dashboard

April 3, 2020 | Sebastian Wolf

Governments and COVID-19: Which one stops it faster, better, has fewer people dying? These questions get answered with my dashboard. A contribution to the shiny-contest: https://community.rstudio.com/t/material-design-corona-covid-19-dashboard-2020-shiny-contest-submission/59690 Intro How did Corona spread? Using the animation feature of R-shiny this can be easily tracked.COVID-19 ...

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RcppSimdJson 0.0.4: Even Faster Upstream!

April 3, 2020 | Thinking inside the box

A new (upstream) simdjson release was announced by Daniel Lemire earlier this week, and my Twitter mentions have been running red-hot ever since as he was kind enough to tag me. Do look at that blog post, there is some impressive work in there. We wr... [Read more...]

C is for coalesce

April 3, 2020 | Unknown

For the letter C, we'll talk about the coalesce function. If you're familiar with SQL, you may have seen this function before. It combines two or more variables into a single column, and is a way to deal with missing data. When you give it a list of va...

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Introductory videos for Explanatory Model Analysis with R

April 3, 2020 | Przemyslaw Biecek

Remote teaching at my university encouraged me to prepare some video materials for Explanatory Model Analysis techniques, i.e. techniques of exploration, explanation and visualisation of predictive models.The pyramid for Explanatory Model Analysis. Lef...

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Custom Power BI visual for Line chart with two Y-Axis

April 3, 2020 | tomaztsql

Power BI support certain type of visuals that are by default available in the document. These are absolutely great and work perfectly fine, have a lot of capabilities to set properties and change the settings. But every so often in…Read more ›

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Exploring and Benchmarking Oxford Government Response Data

April 2, 2020 | An Accounting and Data Science Nerd's Corner

Exploring and Benchmarking Oxford Government Response Data Assessing the impact of Non-Pharmaceutical Interventions on the spread of Covid-19 requires data on Governmental measures. Luckily, the Assessment Capacities Project (ACAPS) and the Oxford Covid-19 Government Response Tracker both provide such data. In this blog post, I explore the new data provided ...

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RQuantLib 0.4.12: Small QuantLib 1.18 update

April 2, 2020 | Thinking inside the box

A new release 0.4.12 of RQuantLib arrived on CRAN today, and was uploaded to Debian as well. QuantLib is a very comprehensice free/open-source library for quantitative finance; RQuantLib connects it to the R environment and language. This version doe... [Read more...]

B is for bind_rows

April 2, 2020 | Unknown

Moving on to the letter B, today we'll talk about merging datasets that contain the same variables but add new cases. This is easily done with bind_rows. Let's say I realized I forgot to log some of the books I read last year, and I wanted to merge tho...

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poorman: First Release of a base R dplyr Clone

April 1, 2020 | Random R Ramblings

Introduction The first official release of poorman (v 0.1.9) is now on CRAN! You can now install poorman directly from CRAN with the following code:

install.packages("poorman")

In this blog post I want to address some common questions that I have received since I started writing the package. What is poorman? poorman ... [Read more...]

Bootstrap resampling with #TidyTuesday beer production data

April 1, 2020 | Rstats on Julia Silge

I’ve been publishing screencasts demonstrating how to use the tidymodels framework, from first steps in modeling to how to tune more complex models. Today, I’m using this week’s #TidyTuesday dataset on beer production to show how to use bootstrap resampling to estimate model parameters. Here is the ...

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Relational data models in R

April 1, 2020 | Patrick Schratz, Kirill Müller

Relational databases are a very powerful tool for analyzing and manipulating data. However, many modeling workflows require a great deal of time and effort for wrangling data from databases into a flat data frame or table format. Only then the actual data analysis can start.

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Relational data models in R

April 1, 2020 | Patrick Schratz, Kirill Müller

Relational databases are a very powerful tool for analyzing and manipulating data. However, many modeling workflows require a great deal of time and effort for wrangling data from databases into a flat data frame or table format. Only then the actual data analysis can start.

[Read more...]

COVID-19 decease animation map

April 1, 2020 | Michael

Coronavirus decease in France# Animation carto décès COVID 19 France # avec lissage # sources ----------------------------------------------------------------- # https://www.data.gouv.fr/fr/datasets/donnees-hospitalieres-relatives-a-lepidemie-de-covid-19/ fichier_covid % group_by(dep) %__% summarise(deces = sum(dc, na.rm = TRUE), reanim = sum(rea, na.rm = TRUE), hospit = sum(hosp, na.rm = TRUE)), by = c("insee_... [Read more...]

R-bloggers

R news and tutorials contributed by hundreds of R bloggers

April 2020

GARCHery

patientcounter

patientcounter

Why R? Webinar on R/exams for E-Learning Quizzes and Beyond

How to {magick}ally Visualize Historical Google Maps Traffic Data

Employee Spotlight: Spearheading Skill Assessments at DataCamp

COVID-19 shiny / plotly dashboard

COVID-19 shiny / plotly dashboard

RcppSimdJson 0.0.4: Even Faster Upstream!

C is for coalesce

Introductory videos for Explanatory Model Analysis with R

Custom Power BI visual for Line chart with two Y-Axis

Exploring and Benchmarking Oxford Government Response Data

RQuantLib 0.4.12: Small QuantLib 1.18 update

B is for bind_rows

poorman: First Release of a base R dplyr Clone

Bootstrap resampling with #TidyTuesday beer production data

Relational data models in R

Relational data models in R

COVID-19 decease animation map

April 2020

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