Claus Wilke @ClausWilke Twitter profile

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Claus Wilke

@ClausWilke

3 years

This spring, I'm teaching a new class on data visualization with R. I'm posting all materials as I go. Feel free to follow along. Each lecture has slides and an interactive worksheet. #rstats

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Claus Wilke

@ClausWilke

5 years

The complete draft of "Fundamentals of Data Visualization" is now available online.

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Claus Wilke

@ClausWilke

7 years

1. GOP tax bill would tax tuition wavers for grad students. This would be a disaster for US STEM PhD education.

Republican Tax Proposal Gets Failing Grade From Higher-Ed Groups

The planned overhaul would place new tax burdens on colleges and students, and some critics argue that it could undermine charitable giving to the institutions.

www.chronicle.com

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Claus Wilke

@ClausWilke

6 years

Very excited to announce my latest project, a book on data visualization. Approximately half of the book is written, and all completed chapters are now available as online preview. #rstats #dataviz

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Claus Wilke

@ClausWilke

5 years

I've set up a website with annotated examples of how to make publication-quality figures with ggplot2. #rstats #ggplot

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Claus Wilke

@ClausWilke

3 years

ggiraph + shiny is fantastic! ~30 lines of code. #dataviz #rstats

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Claus Wilke

@ClausWilke

3 years

Slides on principal components analysis with R. #rstats #dataviz

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Claus Wilke

@ClausWilke

4 years

Simple function plotting in ggplot2. Coming in the next release, early this summer. #rstats #ggplot2

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Claus Wilke

@ClausWilke

4 years

I also don’t get this whole R vs python thing. They clearly have got very different strengths and weaknesses. R: analyze tabular data and make visualizations. python: strangle small mammals to death and crush their bones.

Dr Maureen Berg

@MaureenBug

4 years

tired: R is bad, you should learn python wired: literally anything else

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Claus Wilke

@ClausWilke

5 years

I received the first hardcopy of Fundamentals of Data Visualization. Preorders should start to ship very soon. You can order your copy here:

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Claus Wilke

@ClausWilke

4 years

Now on CRAN: ggtext. Improved text rendering support for ggplot2. #rstats

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Claus Wilke

@ClausWilke

3 years

Slides on redundant coding. #rstats #dataviz

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Claus Wilke

@ClausWilke

3 years

The most important topic for all ggplot2 users: Getting things into the right order. #rstats #ggplot2

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Claus Wilke

@ClausWilke

7 years

Over the years, movies have converged to a length of ~100 min. 4 lines of code with ggjoy. #rstats

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Claus Wilke

@ClausWilke

5 years

Draft of the last missing chapter: Visualizing uncertainty. #dataviz

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Claus Wilke

@ClausWilke

5 years

As news outlets are creating increasingly complex data analysis and visualization projects, we should start demanding fully reproducible analysis scripts with every story.

Data for Progress

@DataProgress

5 years

We re-created this NYT plot. The chart does not actually show a trendline and the relationship is mostly explained by Social Security.

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Claus Wilke

@ClausWilke

5 years

Markdown text inside ggplot2. #rstats #ggplot2

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Claus Wilke

@ClausWilke

4 years

New blog post: PCA tidyverse style. I've been struggling with doing PCA using an idiomatic tidyverse approach. Now I think I've figured it out. #rstats #tidyverse

PCA tidyverse style | Claus O. Wilke

I've finally figured out how to perform a PCA using the tidyverse.

clauswilke.com

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Claus Wilke

@ClausWilke

4 years

The ggplot2 extension gallery now lives at . Please update your bookmarks. The old link is no longer safe to visit. #rstats #ggplot2

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Claus Wilke

@ClausWilke

7 years

4. At that point, a PhD would not be a viable choice anymore, except for the independently wealthy.

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Claus Wilke

@ClausWilke

6 years

Now on CRAN: ggridges 0.5, with support for shading by probability, points overlaid on density curves, rainclouds, and rugs. #rstats #dataviz #ggridges

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Claus Wilke

@ClausWilke

7 years

2. Currently, STEM PhDs make about $30K per year and get tuition wavers. They can do their PhD without taking on debt, but barely so.

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Claus Wilke

@ClausWilke

5 years

Attention #rstats users: In a few weeks, I'm going to release #cowplot 1.0, and there are going to be some important changes from the current release. I encourage you to check out the development version now and verify things work for you. Thread.

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Claus Wilke

@ClausWilke

7 years

3. If they had to pay taxes on a calculated $50-$60K income (incl. tuition), the actual income would not cover living expenses anymore.

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Claus Wilke

@ClausWilke

10 months

@kareem_carr Alternative explanation: 1/3 = 0.33333... 2/3 = 0.66666... 3/3 = 1/3 + 2/3 = 1 3/3 = 0.33333... + 0.66666... = 0.99999... Therefore, 1 = 0.99999...

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Claus Wilke

@ClausWilke

4 years

Spatial plotting just improved a lot in the development version of ggplot2. In a nutshell, you can now mix and match regular geoms with `geom_sf()` and `coord_sf()`. If you're doing any geospatial plotting, please test this out. 1/n #rstats #ggplot2

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Claus Wilke

@ClausWilke

5 years

Things are getting real. Hard-copy proofs of "Fundamentals of Data Visualization." #dataviz

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Claus Wilke

@ClausWilke

6 years

Sad to announce I'll have to abandon my project of writing a book on #dataviz entirely in #rstats , with all figures programmatically generated. I just learned it is not possible. Ignore the 21 chapters already online. They are a mirage.

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Claus Wilke

@ClausWilke

3 years

Functions and functional programming. #rstats

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Claus Wilke

@ClausWilke

3 years

Interactive plots with ggiraph. #rstats #dataviz

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Claus Wilke

@ClausWilke

4 years

For comparison, the budget of the National Science Foundation, which funds all areas of scientific research in the US, is $7,100,000,000.

Public Citizen

@Public_Citizen

4 years

The NYPD’s budget is $6,000,000,000 That’s more than the city spends on health, homelessness, youth development and workforce development combined.

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Claus Wilke

@ClausWilke

7 years

8. The author of the quoted article doesn’t even understand the gravity of this situation.

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Claus Wilke

@ClausWilke

6 years

I've now mostly figured out how to implement bivariate color scales in #ggplot2 . The guide box still needs some visual tweaking, though. @lenkiefer @hadleywickham

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Claus Wilke

@ClausWilke

7 years

7. So, no more STEM PhDs at state schools in the US.

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Claus Wilke

@ClausWilke

2 years

This got a lot of attention. I thought everybody knew about the book (and the free website) by now, but maybe not.

R Markdown

@rmarkdown

2 years

You can read the free ebook "Fundamentals of Data Visualization" by Claus O. Wilke on #dataviz with #rstats on the following website of the named author:

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Claus Wilke

@ClausWilke

6 years

I spent way too much time this weekend writing orthographic projection code. Now that it works, let's celebrate with a spinning globe. #rstats #dataviz

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Claus Wilke

@ClausWilke

7 years

ggjoy 0.2.0 is now on CRAN. Plenty of new geoms, stats, features vs. 0.1.0. #rstats #joyplot #ggjoy #ggplot #dataviz

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Claus Wilke

@ClausWilke

6 years

I find this quite useful to understand the confidence region of a linear regression.

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Claus Wilke

@ClausWilke

6 years

The latest #ggplot2 has a `clip = "off"` option to allow drawing outside of the plot panel. This allows for all sorts of neat plotting tricks. E.g., direct labeling. ("Toyota Corolla" extends beyond the plot area.) #rstats #dataviz

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Claus Wilke

@ClausWilke

5 years

The next version of the isoband package will be able to draw labeled contour lines. #rstats

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Claus Wilke

@ClausWilke

7 years

5. Maybe private schools could somehow work around this by charging different tuition for grad students and undergrads.

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Claus Wilke

@ClausWilke

7 years

6. But state schools would likely not be able to do that, due to various laws and regulations.

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Claus Wilke

@ClausWilke

6 years

I had the evolution once. So painful. The selection I could handle, but the drift is tough. And it's so unpredictable.

New Scientist

@newscientist

6 years

Evolution is making us sick and for the first time we can stop it

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Claus Wilke

@ClausWilke

7 years

I've always wanted to make a plot like this. #rstats #ggplot #cowplot

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Claus Wilke

@ClausWilke

5 years

Designer: I don't have software to make a pie chart. Manager: Just manually draw two differently colored wedges and write "78%" into the bigger one. Nobody will be able to tell if it's off by a little.

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Claus Wilke

@ClausWilke

4 years

This is why we’ve gone away from installing software on student computers in my data science class. Installing python is literally harder than anything you could reasonably do with it (in an intro class) once it’s installed properly.

Daniela Witten

@daniela_witten

4 years

I took my 1st CS course at age 18. I almost dropped it 3 days in b/c I couldn’t install the software. My friend had to help me install it. We are married now. Sometimes I make him install the updates on my Mac, for old times sake. True story.

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Claus Wilke

@ClausWilke

2 years

Mood. #rstats

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Claus Wilke

@ClausWilke

3 years

Slides and worksheet on k-means clustering in R. #rstats #dataviz

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Claus Wilke

@ClausWilke

2 years

Kids: "Mom, can we have an AI?" Mom: "We already have an AI at home." AI at home:

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Claus Wilke

@ClausWilke

7 years

Simulate color-vision deficiency in #rstats . Works on any R figure, on the fly. New work with @clairemcwhite . #ggplot @hadleywickham

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Claus Wilke

@ClausWilke

6 years

I have posted two new chapters for my #dataviz book and updated a few others. 1. (new) Visualizing nested proportions

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Claus Wilke

@ClausWilke

4 years

I'm receiving feedback that (paraphrased) installing software "is easy" or "builds character" or "is a critical skill." My response: I doubt you've ever taught programming at scale to non-CS majors. Thread.

Claus Wilke

@ClausWilke

4 years

This is why we’ve gone away from installing software on student computers in my data science class. Installing python is literally harder than anything you could reasonably do with it (in an intro class) once it’s installed properly.

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Claus Wilke

@ClausWilke

6 years

When you want to make sure nobody in the audience actually pays any attention to your data. @hadleywickham @kara_woo

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Claus Wilke

@ClausWilke

6 years

This is a very nice intuitive explanation of how machine learning works.

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Claus Wilke

@ClausWilke

5 years

I prepared step-by-step instructions for reproducing a few of the figures from my book. #rstats #ggplot2 #dataviz

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Claus Wilke

@ClausWilke

4 years

Happy to report that density contours will be much improved in the next ggplot2. #rstats #ggplot

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Claus Wilke

@ClausWilke

7 years

100%. I like to say: The lab environment is more important than the specific science you'll be doing.

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Claus Wilke

@ClausWilke

5 years

I just merged support for one of the most frequently requested features into the ggplot2 development branch: Plot titles that span the entire plot. #rstats #ggplot2

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Claus Wilke

@ClausWilke

6 years

It seems that the graduate student tax is in the senate tax bill as well. Whatever universities will do to address this issue, this will cause a resource drain from the US research enterprise. Bye-bye US leadership in STEM.

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Claus Wilke

@ClausWilke

4 years

Me: Software installs are an unnecessary distraction in intro data science classes. Cloud computing is it. Women: Yup, agreed. Men:

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Claus Wilke

@ClausWilke

6 years

Before Slack, you would have to look in five different places. After Slack, it's six. 😜

John O'Farrell

@johnofa

6 years

Nice! “Before Slack, you would have to go look in five different places even to find a file,” says @SlackHQ 's @aunder . “Was it a PDF? Was it a file in the cloud? Slack serves as the common denominator that allows you to search across all of them.”"

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Claus Wilke

@ClausWilke

3 years

Handling overlapping points #dataviz #rstats

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Claus Wilke

@ClausWilke

7 years

I wrote a minimal R package to make joyplots with ggplot2. Pull requests welcome. #rstats

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Claus Wilke

@ClausWilke

6 years

I continue to be amazed that I can make a figure like this one in ~15 lines of #ggplot2 code. (And half of that is theme code to get the styling right. The logic is only 6 lines.) #rstats #dataviz

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Claus Wilke

@ClausWilke

4 years

When your tiny little R package becomes a ggplot2 dependency. #rstats

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Claus Wilke

@ClausWilke

3 years

I'm using xaringan for slides, learnr for interactive worksheets, and distill for the website. All sources are available on github.

GitHub - wilkelab/SDS375: SDS 375 Data Visualization in R

SDS 375 Data Visualization in R. Contribute to wilkelab/SDS375 development by creating an account on GitHub.

github.com

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Claus Wilke

@ClausWilke

6 months

What is the value of a PhD? The other day I commented on the financial value, but let's dive a little bit deeper into the value in terms of personal growth and development of career skills. (This is long. Click to expand and read.) Does it make sense to…

Claus Wilke

@ClausWilke

6 months

Our students get 6-figure offers straight out of grad school. Attended a defense last week (not my student, but I'm on the committee) where the student has a $210k/yr offer and was contemplating whether she should take it or not.

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Claus Wilke

@ClausWilke

1 year

Some thoughts about "chain risk" and art NFTs on Ethereum and Tezos. 1/

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Claus Wilke

@ClausWilke

4 years

Anthony Fauci.

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Claus Wilke

@ClausWilke

6 years

Just posted two new chapters for my book. #dataviz 1. Visualizing associations among quantitative variables

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Claus Wilke

@ClausWilke

4 years

All my recent work was so I could make plots like this. @hadley didn't like it when I proposed this originally, but I think it's pretty nifty. #rstats

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Claus Wilke

@ClausWilke

4 years

I think I'll start a collection. #dataviz

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Claus Wilke

@ClausWilke

4 years

The ggridges package now has a dedicated website. #rstats #ggplot

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Claus Wilke

@ClausWilke

5 years

I recently added this error message to ggplot2. But now I have second thoughts. Maybe a more precise error message would have been "object of type 'closure' is not subsettable". #rstats

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Claus Wilke

@ClausWilke

7 years

9. Update: See here for the links to the relevant law.

Claus Wilke

@ClausWilke

7 years

1. Some tax-law updates on the earlier tweets. Tuition waivers are currently tax exempt due to §117(d), see here:

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Claus Wilke

@ClausWilke

2 years

isoband 0.2.6 is now on CRAN. You can all relax now and start breathing again. #rstats cc @thomasp85 @hadleywickham

isoband: Generate Isolines and Isobands from Regularly Spaced Elevation Grids

A fast C++ implementation to generate contour lines (isolines) and contour polygons (isobands) from regularly spaced grids containing elevation data.

cran.r-project.org

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Claus Wilke

@ClausWilke

4 years

The log-scale plot of case fatality rates of COVID-19 vs age highlights an interesting finding: COVID-19 is consistently worse than the seasonal flu, at all ages. There is no age-dependent effect, just an overall shift in outcomes to the worse.

Owe Jessen

@ojessen

4 years

@jbloom_lab @CMetaphor @sweetrain1234 @EmbryEthan @ClausWilke HTH

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Claus Wilke

@ClausWilke

6 years

Visualizing the bootstrap. #rstats #AnimateAnyday

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Claus Wilke

@ClausWilke

7 years

@RVAwonk It would be so helpful if Twitter just made it a policy to mark bots somehow, similar to the blue checkmark.

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Claus Wilke

@ClausWilke

5 years

Automatic text reflow inside a box in ggplot2. #rstats #ggtext

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Claus Wilke

@ClausWilke

5 years

ICYMI: This is an incredibly important release for anybody who needs to deal with colors. I couldn't have written my book without this package. In particular, lightening and darkening of colors on the fly is so useful.

Achim Zeileis @[email protected]

@AchimZeileis

5 years

New release of #rstats pkg #colorspace : refined and named palettes, #ggplot2 color scales, visualization and assessment, interactive color apps (shiny + Tcl/Tk), color vision deficiency emulation, and much more. #dataviz #endrainbow (1/12)

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Claus Wilke

@ClausWilke

6 years

While working on the next ggplot2 release, I've come to believe that for every bug in the ggplot2 code base there's at least one published R package that uses it as a feature.

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Claus Wilke

@ClausWilke

4 years

Slides for my #rstudioconf talk are now online.

Spruce up your ggplot2 visualizations with formatted text

Spruce up your ggplot2 visualizations with formatted text - Download as a PDF or view online for free

www.slideshare.net

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Claus Wilke

@ClausWilke

6 years

Direct link to the book:

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Claus Wilke

@ClausWilke

5 years

World maps, drawn in ggplot2. #rstats #ggplot

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Claus Wilke

@ClausWilke

3 years

New post: "Coloring your ggplot2 art like a pro" #rstats #rtistry

Coloring your ggplot2 art like a pro – Art by Claus O. Wilke

A tutorial on how work with colors in ggplot2.

clauswilke.com

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Claus Wilke

@ClausWilke

4 years

I don't have a SoundCloud, but I've written a book on data visualization you can read for free here. It's not about programming, and there's neither R nor python in the book.

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Claus Wilke

@ClausWilke

5 years

My talk at #rstudioconf about visualizing uncertainty is now online.

Visualizing uncertainty with hypothetical outcomes plots - Posit

posit.co

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Claus Wilke

@ClausWilke

4 years

The fact that the dplyr function `summarize()` can now generate multiple rows per group is incredibly useful. #rstats #tidyverse

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Claus Wilke

@ClausWilke

3 years

Compound figures. #dataviz #rstats

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Claus Wilke

@ClausWilke

5 years

Scheduled release date is April 15. You can pre-order on Amazon now.

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Claus Wilke

@ClausWilke

3 years

I wrote a post about color spaces. You may find this useful for #generativeart , #rtistry , or #dataviz . #rstats makes a minor appearance.

Some thoughts about colors: Color spaces – Art by Claus O. Wilke

A brief introduction into emissive color spaces, covering RGB, HSV, HLS, and HCL.

clauswilke.com

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Claus Wilke

@ClausWilke

3 years

Dimension reduction 2: When regular PCA doesn't cut it. #rstats #dataviz

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Claus Wilke

@ClausWilke

4 years

Says the person whose regular tag line is "humans don't understand exponential growth."

Elon Musk

@elonmusk

4 years

The coronavirus panic is dumb

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Claus Wilke

@ClausWilke

5 years

I've hit exactly 10,000 citations on Google Scholar today. 🍾🍾🍾

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Claus Wilke

@ClausWilke

6 years

It's alive. #rstats #ggplot2

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Claus Wilke

@ClausWilke

5 months

Why is it that most people in tech are so poorly informed about biology? No we couldn't make animals smarter. We literally don't have the technology. We don't even know the biological basis of "being smart." Maybe in 50 years. Not today. Not next year. Not this decade.

Ryan McEntush

@rmcentush

5 months

why aren’t we “uplifting” other species? this is a classic sci fi plot point that I feel like we just skipped over if we wanted to make animals much smarter, we could, no?

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Claus Wilke

@ClausWilke

2 years

@balajis That assumes it's easier to rebuild all physical infrastructure than to get self-driving to work. I wouldn't make that assumption. Self-driving will be solved soon (couple of years at most). 1/n

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Claus Wilke

@ClausWilke

5 years

Create ROC and precision-recall curves #tidyverse style. New #rstats package under development by @dariyasydykova .

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Claus Wilke

@ClausWilke

6 years

ggplot2 3.1.0 was released yesterday and it seems nobody has noticed yet. I think that's a good sign. #rstats

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