R
RStudio and R Markdown Notebooks
- Create a R Markdown Notebook in RStudio.
- Recognize the syntax for, create, and run code chunks in an R Markdown document.
Data Management in R
- Load in a
.rda
file into an R session.
- Access columns of a data frame using
$
notation.
- Access columns, rows, and elements of a data frame using
dafr[i, j]
‘matrix’ notation.
Package Management in R
- Install a package from the Comprehensive R Archive Network (CRAN) using
install.packages
.
- Load a package into an R session using
load
.
- State the ‘grammar’ of a command in
ggformula
.
- Use the graphing functionality of
ggformula
to create univariate summaries of data, including:
- rug plots
- histograms
- density plots
- scatter plots
- Use the graphing functionality of
ggformula
to create bivariate summaries of data, including:
- scatter plots
- nonparametric smoothers
- linear regression lines
- Use the
%>%
operator from magrittr
package to overlay multiple graphics in the same plot.
knitr
, LaTeX, and MathPix Snip
- Knit an R Markdown document into a PDF or HTML file.
- Recognize the two main “modes” for math in LaTeX.
- Pronounce LaTeX correctly (“lay”-“tek”).
- Typeset basic mathematical expressions using LaTeX.
- Use MathPix Snip to generate LaTeX expressions from handwritten and typeset mathematical expressions.