Remember me

Next Dates: - Introduction to QuantLib Development with Luigi Ballabio, September 2 - 4, 2013 - £1700

## December 2011

### Self-Evaluation and Lessons Learned (Introduction to Statistical Computing)

Attention conservation notice: Academic statistico-algorithmic navel-gazing. With the grading done, but grades not yet posted while we wait for the students to fill out faculty evaluations, it's time to reflect on the class just finished. (Since this is the third time I've done a post like this, I guess it's now one of my traditions.) Overall, it went a lot better than my worst fears, especially considering this was the first time the class was offered. There was a lot of...

### Homework: Baseball Salaries (Introduction to Statistical Computing)

Assignment, database (large!) Introduction to Statistical Computing

### Databases II (Introduction to Statistical Computing)

Lecture 26: Aggregation in databases is like split/apply/combine. Joining tables: what it is and how to do it. Examples of joinery. Accessing databases from R with the DBI package. Introduction to Statistical Computing

### Databases I (Introduction to Statistical Computing)

Lecture 25: The idea of a relational database. Tables, fields, keys, normalization. Server-client model. Example of working with a database server. Intro to SQL, especially SELECT. Introduction to Statistical Computing

### Homework: Get (the 400) Rich(est list) Quick (Introduction to Statistical Computing)

Assignment; solutions (R) Introduction to Statistical Computing

### Importing Data from Webpages II (Introduction to Statistical Computing)

Lecture 24: Scraping by constructing and debugging regular expressions. R Introduction to Statistical Computing

### Importing Data from Webpages I (Introduction to Statistical Computing)

Lecture 23: Importing data from webpages. Example: scraping weblinks. Using regular expressions again (with multiple capture groups). Example: how long does a random surfer take to get to Facebook? Exception handling. R Introduction to Statistical Computing