Home

Contact

Steven Holland

R tips

Excel’s text file formats

Sandstone provenance

Ternary plots

Rose diagrams

Estimating diversity

Unusual distributions from the bootstrap

Avoiding loops in R

The perils of attach()

Sharing your R work easily

Transformations of proportions and percentages

Colors

Asking questions

Special characters and typography in axis labels

Adding error bars to simple bar plots

Unpacking commands

Regression diagnostic plots

What to put in your Rprofile

Subscripts and superscripts

Plots with semi-transparent symbols

Creating Julian dates

r, d, q, and p

Working with directories

Writing your own functions

Importing csv files with quotes

Matrices and data frames

Calling functions by name and position

Setting the working directory in Windows

Using one vector to retrieve part of another vector

Blanks in row names and column names