Growing your inner data scientist

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growing your inner data scientist: tips to success in data science, from questions to results Mine Çetinkaya-Rundel Duke University + RStudio 🔗 bit.ly/grow-ds-21 mine-cetinkaya-rundel cetinkaya.mine@gmail.com @minebocek

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professor of statistics data scientist book author minebocek mine-cetinkaya-rundel mine citizenstatistician

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what is data science?

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datascience.berkeley.edu/about/what-is-data-science r4ds.had.co.nz/explore-intro.html oreilly.com/library/view/doing-data-science/9781449363871/ch01.html

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data science is vague and evolving…

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1 always be curious

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keep informed books articles blogs

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keep current

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keep engaged conferences workshops meetups webinars

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2improve your workflow

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rstats.wtf

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r4ds.had.co.nz

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3share your output

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David Robinson @drob @rstudio::conf 2019, The Unreasonable E ff ectiveness of Public Work Idea Published paper Preliminary results Draft manuscript Completed manuscript How I used to think of my goals: More valuable Less valuable Anything still on your computer Anything out in the world (Data, code, results, draft, ﬁnished paper) (Paper, preprint, product, blog post, open source, tweet) How I should have been thinking of them: More valuable Less valuable Idea Published paper Preliminary results Draft manuscript Completed manuscript How I used to think of my goals: More valuable Less valuable Anything still on your computer Anything out in the world (Data, code, results, draft, ﬁnished paper) (Paper, preprint, product, blog post, open source, tweet) How I should have been thinking of them: More valuable Less valuable

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share the things you create

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share the things you create big

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datasciencebox.org datasciencebox.org

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share the things you create little

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share the things you learn

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Mara Averick @dataandme EARL 2017, leaRning out loud SOMETIMES I GO ON TWITTER, AND I TEND TO LEARN OUT LOUD

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# March 2019 library(tidyverse) ggplot(mtcars, aes(x = wt, y = mpg)) %>% geom_point() #> Error: `mapping` must be created by `aes()` #> Did you use %>% instead of +?

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share your questions

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Thiago Maciera “The Art of Problem Solving.” In Open Advice: FOSS: What We Wish We Had Known When We Started, edited by Lydia Pintscher, 55–61. THE MOST USELESS PROBLEM STATEMENT THAT ONE CAN FACE IS “IT DOESN’T WORK”, YET WE SEEM TO GET IT FAR TOO OFTEN.

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TEN SIMPLE RULES FOR GETTING HELP FROM ONLINE SCIENTIFIC COMMUNITIES 1. Don’t be afraid to ask a question 2. State the question clearly 3. Learn established customs before posting 4. Don’t ask what has already been answered 5. Always use a good title 6. Do your homework before posting 7. Proofread your post 8. Be courteous to other forum members 9. Remember that the archive of your question can be helpful to others 10. Give back to the community Dall’Olio, Giovanni M., Jacopo Marino, Michael Schubert, Kevin L. Keys, Melanie I. Stefan, Colin S. Gillespie, Pierre Poulain, et al. 2011. “Ten Simple Rules for Getting Help from Online Scientific Communities.” PLoS Computational Biology 7 (9): 10–12. doi:10.1371/journal.pcbi.1002202.

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suppose… # Goal: "1 a" "2 b" "3 c" "4 d" "5 e"

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I’m trying to create the following vector in R: "1 a" "2 b" "3 c" "4 d" "5 e” So I define X to be 1 : 5 and Y to be the first 5 letters of the alphabet, but when I add them I get the following error. Error in x + y : non - numeric argument to binary operator 🤷 Q

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I’m trying to create the following vector in R: "1 a" "2 b" "3 c" "4 d" "5 e" Below is a screenshot of what I tried. Why is it not working? 🤷 Q

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library(reprex) Prepare reproducible examples for posting to GitHub issues, StackOverflow, or Slack snippets. writing good questions

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I’m trying to create the following vector in R: "1 a" "2 b" "3 c" "4 d" "5 e” Below is what I tried. What does this error mean, and how can I fix it? 🤷 Q x < - 1 : 5 y < - letters[1 : 5] x + y #> Error in x + y: non - numeric argument to binary operator

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4contribute to community

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find open source projects you enjoy, and start contributing

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contribute to books

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contribute to packages

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get the pulse of a project read the code contributing to oss watch the repo discuss your ideas make a pull request review CoC + contributing guide

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5collaborate with others

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collaborate on process

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collaborate in class

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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin vulputate feugiat lacus eu lobortis. Mauris dictum ultrices tortor sit amet tincidunt. Cras magna metus, volutpat eu tempus nec, mattis vel nibh. Vivamus eros tellus, lobortis id molestie quis, feugiat sed lorem. Proin quis pellentesque justo, vitae elementum eros. Proin orci ex, dignissim sed urna in, congue fringilla nisi. Aliquam id urna orci. Vestibulum consequat, enim et sodales finibus, nunc arcu condimentum odio, rhoncus venenatis ligula sem at lectus. Nullam nec porttitor nisl. Fusce hendrerit, mauris sed iaculis gravida, odio diam lacinia diam, bibendum dapibus metus mi imperdiet ex. Praesent ac urna scelerisque, condimentum est vitae, pellentesque erat. Integer sed hendrerit ex. Sed facilisis sollicitudin venenatis. Nulla fringilla lorem at metus maximus cursus. Morbi facilisis turpis at purus volutpat bibendum quis quis eros. Ut id odio interdum, luctus mauris nec, pharetra quam. Nullam velit risus, consectetur ac faucibus eu, lacinia ut neque. Pellentesque ut aliquet libero. Ut ac neque eget nunc hendrerit commodo. Maecenas vel ultrices augue. blog post portfolio entry competition submission …

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collaborate outside class

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John M. Chambers Statistical So ft ware Award 🔗 stat-computing.org/awards/jmc ASA StatComp Student Paper Competition 🔗 stat-computing.org/awards/student Kaggle: Prediction competition 🔗 kaggle.com/competitions

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6broadcast your work

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make data visualizations

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🗓 Every Tuesday 🔗 github.com/rfordatascience/tidytuesday 🐦 #TidyTuesday

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speak at events

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write blog posts

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bookdown.org/yihui/blogdown apreshill.com/blog/2020-12-new-year-new-blogdown

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keeping a blog alive find co-authors keep it regular write themed posts review events

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1 2 3 4 5 6 always be curious improve your workflow share your output contribute to community collaborate with others broadcast your work

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mine-cetinkaya-rundel cetinkaya.mine@gmail.com @minebocek growing your inner data scientist 🔗 bit.ly/grow-ds-21 Mine Çetinkaya-Rundel Duke University + RStudio