Balloons come in all shapes and sizes but the shape the comes to mind when I hear the word balloon … More

# Category: R for Statistical Computing

# An Interview Question: Using Integer Programming

We can solve the Interview Question using a mathematical technique called Integer Programming. Let be the variables representing diskette 1, … More

# Birthday Paradox and Cracking Passwords

Now that we know the basics of the Birthday Problem, we can use this knowledge to understand the security of … More

# The Birthday Paradox

There are only 365 days in a year (excluding leap year). Given that there are about 7.4 billion people on … More

# When Average Is Not Enough: Thoughts on Designing for Capacity

Designing a system from scratch to handle a workload you don’t know is a challenge. If you put to much … More

# Counting the Fruits of the Tree, Part 2

Algorithm Complexity In the last post, we computed the probability distribution of the set of events that would occur when … More

# Counting the Fruits of the Tree, Part 1

In the last post, we described a way to filter a set of words using a Trie. The other way … More

# If A Picture Paints A Thousand Words

And so begins the words of the a song by the Bread. The complexity we see in the world is … More

# Traceability Matrix

I work in Information Technology and part of my job is to make sure that my team and I are … More

# Mathematically Romancing Mt Mayon

The name Mayon is short for Daragang Magayon, or “Beautiful Lady”, which is the legend associated with Mt Mayon. No … More