Hiroaki Yutani

@yutannihilat_en

Wannabe Rstats-fu in the Far East. I love data, visualization, R and 🍣. 日本語は で

Tokyo, Japan
yutani.rbind.io
Joined February 2018
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  1. Pinned Tweet
    Jul 12

    When you remove column `a` with dplyr, which do you use?

    18 replies 18 retweets 54 likes
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  2. 24 hours ago

    🚨 I added some important update as I forgot to free the memory that was allocated on Rust's side... It seems it needs to be passed to Rust's side to get deallocated by Rust's allocator. Are there any nicer way...?

    I wrote a quick blog post about using Rust with R. The basics are covered by 's great presentation two years ago🤩, but I still needed to learn how to - pass a string - pass a vector - prepare precompile binaries for Windows
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    1 retweet 2 likes
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  3. Sep 15

    Hm, apparently, I forgot to free the memory allocated on the Rust's side...🤔

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  4. Sep 15

    (I'm not fully confident I understand how these works, so please let me know if you find I'm doing the things wrong...)

    1 reply 1 retweet 4 likes
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  5. Sep 15

    I wrote a quick blog post about using Rust with R. The basics are covered by 's great presentation two years ago🤩, but I still needed to learn how to - pass a string - pass a vector - prepare precompile binaries for Windows

    3 replies 11 retweets 52 likes
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  6. Retweeted
    Sep 14

    {plumber} v1.0.0 is now on CRAN!!🎉🎊🎉 {plumber} allows you to create web APIs using roxygen2-like comments Major updates: - Works with promises - Body parsing - Friendlier route argument matching - OpenAPI v3 - Visual Documentation options NEWS:

    4 replies 44 retweets 159 likes
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  7. Retweeted
    Sep 14

    swagger 3.33.0 is now on CRAN! 🎊 swagger provides visual documentation for OpenAPI Specification documents. Changes in this release: - Adds support for Swagger 3.33.0 - Integration for {plumber} docs More information at

    2 retweets 27 likes
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  8. Sep 14

    You are lucky if you are using Windows because you don't need Rust toolchain just to try this useless package. Now I roughly figured out how to prepare a precompiled binaries for Windows using GitHub Actions CI🎉

    Not sure if this is useful for other than me, but I ended up creating a small R package to convert strings to their outline paths thanks to the power of Rust. It takes some time to figure out how to pass vectors from Rust to C API...
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    1 reply 1 retweet 11 likes
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  9. Retweeted
    Sep 13
    Replying to

    Are you familiar with ?

    1 reply 1 retweet 1 like
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  10. Sep 13

    (rusttype is great, but it's rather minimal compared to freetype. For example, it doesn't support font collection files (.ttc/.otc). So, I still hope someone create some nicer package using free type. I'm just poor at C++...)

    1 reply 1 like
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  11. Sep 13

    Not sure if this is useful for other than me, but I ended up creating a small R package to convert strings to their outline paths thanks to the power of Rust. It takes some time to figure out how to pass vectors from Rust to C API...

    5 replies 15 retweets 79 likes
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  12. Sep 12

    Btw, are there any package that extracts the path information from TTF/OTF file? I needed to write some Rust code to achieve this, but I guess freetype can easily do this as well...🤔 my R code: my Rust code:

    1 reply 1 retweet 2 likes
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  13. Sep 12

    This was mainly inspired by 's cool work:

    0:23
    Missed me? 😋 Been busy doing non-fun stuff, i.e. teaching behind a mask and plexiglass with glitchy tech to two students while 32 are remote. Well, I had enough of that, so here's something with the now old path() object. Next, hexagons. adventures, an tale
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  14. Sep 12

    My first attempt at . I think I was trying to create something like "rayrendown" for my lightening talk at (東京R) online meetup next week, but probably the package will never be created because it seems I'm already satisfied with this...

    2 replies 3 retweets 23 likes
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  15. Retweeted
    Sep 8

    "Writing a blogdown post for the ages" My very own very idiosyncratic approach to solving blogdown's problem of keeping old posts alive and well.

    2 replies 9 retweets 29 likes
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  16. Retweeted
    Sep 9

    I have a new role at and am now leading a team of data engineers. I'm very excited! Also, we're hiring! If building systems for data sharing in Alzheimer's research sounds exciting to you, check it out:

    19 replies 70 retweets 297 likes
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  17. Sep 8

    Wow, gghighlight got 400 stars while I've been away from R for a while...

    2 replies 1 retweet 21 likes
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  18. Retweeted
    Sep 7

    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.

    7 replies 222 retweets 1,019 likes
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  19. Retweeted
    Sep 5

    Wow. The beta version of has a "visual editing" mode for Rmarkdown files. Basically converts Rstudio to a Word-like editor that makes it easy to do Markdown formatting/insert images/equations/bunch of other stuff. Download:

    11 replies 160 retweets 650 likes
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  20. Sep 5

    Yet another mistake...

    1 like
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  21. Sep 5

    yes🎉

    1 reply 1 like
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