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Introduction Following up on Rachel Wellford’s tweet about Senate votes for Supreme Court confirmations, I decided to try to graph the data. Below, I have a ggplot picture with decent labeling a searchable datatable a plotly interactive graph The data came from Senate.gov. I chose to focus on 1967 onward because it appeared that voting procedures were slightly different before Thurgood Marshall’s nomination process.

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Problem The question that one of my teaching assistants posed was “What is the difference between lm(y ~ x) and lm(y ~ (poly,1)) for linear regression in R?” That is, it is quickly apparent that those commands produce different results, but for the same intention. Here I will try to explore the underlying difference. Disclaimer: I know that the following discussion is incomplete. These are simply notes that I threw together overnight.

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Thanks to Dr. Elaine McVey’s course at DataCamp, I feel that I can convert my Data Science course’s lab assignments and slides to flexdashboard. Today, I converted the first lab assignment. The hope is that the students can clearly see the instructions that I am trying to convey rather than facing a wall of text. To convert my lab, which was previously in an R Markdown document for HTML output, I had to

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Thanks to Dr. Elaine McVey’s course at DataCamp, I feel that I can convert my Data Science course’s lab assignments and slides to flexdashboard. Today, I converted the first lab assignment. The hope is that the students can clearly see the instructions that I am trying to convey rather than facing a wall of text. To convert my lab, which was previously in an R Markdown document for HTML output, I had to

CONTINUE READING

Teaching

I am a teaching instructor for the following courses at the University of California at Merced:

  • Math 15: first semester data science for life science students
  • Bio 18: second semester data science for life science students
  • Bio 184 (TBD): Python for DNA analysis

Contact

  • dsollberger@ucmerced.edu
  • Derek Sollberger
    School of Natural Sciences
    5200 North Lake Road
    Merced, CA, 95343
  • email for appointment