Thalecress questions

• What's a better way to summarize this data frame?
• Why does Dimension.End.Column return an index larger than the last column with any values?
• How can I combine an IEnumerable(Of IEnumerable) using LINQ?
• How do I animate points down a path on a map in D3.js?
• Using dplyr, how should I create a column of strings repeating a character based on the value of another column?
• Using functionals instead of for loops to identify sequential changes in a vector
• Does ggsubplot work with R 3.2.1+?
• How do I get the first child of an XElement?
• Replace all but last instance of specified character
• Calculating the difference between consecutive rows by group using dplyr?

Thalecress answers