Lecture 10: Matrices, coin flips, exercising

Schedule for today

Homework exercises from last lecture:

Exercise	Solution
Matrix of circle points	2023-12-19_Circle.R
Distance matrix between points	2023-12-19_Distance.R
Longest same-result coin sequence	Not Yet!

Exercising with the coin flip data we generated earlier (updated!): 2023-12-19_coins2.zip

Homework

Self-study - Vectorization

• Vector subscripts
• Vectorized functions
• Logical subscripts
• Vectorized operations
• Vectorized points
• Vectorized shapes
• Lines
• Polygons

Exercises

• Subset every third value in a vector
• Subset vector to divisible parts
• Are these functions vectorized?
• Drawing a circle - take 2
• Drawing a circle - take 3 (polygon)
• Carnivore occurrence records in the PBDB