Blog Archives

The Traveling Vampire Problem

October 30, 2015
By
The Traveling Vampire Problem

Let's say you are a vampire and you would like to figure out the shortest route to visit the supple necks of N maidens. But, there is only so much time in any night!You can fly from location to location, ignoring barriers.With a few maidens, the problem is trivial.However, as you entice more and more maidens you find the task...

Read more »

Diagnosing the Multilevel Marketting Trap: How MLM Survives Only through New Entrants

October 23, 2015
By
Diagnosing the Multilevel Marketting Trap: How MLM Survives Only through New Entrants

Over the years I have been amazed by how many friends of mine who seem otherwise very intelligent have gotten involved in Multilevel Marketing (MLM). And, as most people who have been involved with these organizations, all of my friends involved in these organization have ended up after many hours and sometimes years of effort with less return for their...

Read more »

Diagnosing the Multilevel Marketting Trap: How MLM Survives Only through New Entrants

October 23, 2015
By
Diagnosing the Multilevel Marketting Trap: How MLM Survives Only through New Entrants

Over the years I have been amazed by how many friends of mine who seem otherwise very intelligent have gotten involved in Multilevel Marketing (MLM).And, as most people who have been involved with these organizations, all of my friends involved in thes...

Read more »

Debunking Magical 9s – Numerology or Numerical Illiteracy?

October 12, 2015
By
Debunking Magical 9s – Numerology or Numerical Illiteracy?

The other day one of my friends on facebook posted this video about the mystical nature of the number 9. Being a skeptical of all think hokey, I decided to experiment with numbers to see how special 9 really is.There are four claims made in the video a...

Read more »

Debunking Magical 9s – Numerology or Numerical Illiteracy?

October 12, 2015
By
Debunking Magical 9s – Numerology or Numerical Illiteracy?

The other day one of my friends on facebook posted this video about the mystical nature of the number 9. Being a skeptical of all things hokey, I decided to experiment with numbers to see how special 9 really is.There are four claims made in the video about the magic of nine.1. Partition a circle as many times and...

Read more »

Flip a fair coin 4x. Probability of H following H is 40%???

October 9, 2015
By
Flip a fair coin 4x. Probability of H following H is 40%???

A recent working paper has come out arguing for the existence of Hot Hands (in basketball), a concept psychologists had dismissed decades ago. Hot hands is where a player is thought to have a higher likelihood of scoring the next basket if the last three baskets where shot successfully. (In NBA Jam, that is when you hands caught on...

Read more »

Flip a fair coin 4x. Probability of H following H is 40%???

October 9, 2015
By
Flip a fair coin 4x. Probability of H following H is 40%???

A recent working paper has come out arguing for the existence of Hot Hands (in basketball), a concept psychologists had dismissed decades ago. Hot hands is where a player is thought to have a higher likelihood of scoring the next basket if the last three baskets where shot successfully. (In NBA Jam, that is when you hands caught on...

Read more »

Base R Assessment!

February 3, 2015
By
Base R Assessment!

Test your skills with this R-powered R assessment of base R knowledge! Built using the R powered adaptive testing platform Concerto, this assessment provides a short but powerful tool at evaluating your base R understanding relative to that of your pe...

Read more »

Convergence of a Series

November 12, 2014
By
Convergence of a Series

Let us explore using simulation some of the concepts of basic asymptotic theory as presented in Wooldridge 2012, Chapter 3.Definition: A sequence of nonrandom numbers {a_N:N=1,2,...} converges to a if for all epsilon__0 there exists N_epsilon such that N__N_epsilon, then $$|a_N - a|100]$$ is an extreme example in which the series seems to converge at 0 up to N100__ Other series...

Read more »

Make your own hotly criticised circle graph!!!

November 3, 2014
By
Make your own hotly criticised circle graph!!!

Make your own hotly criticized circle graph! The recent critical post on R-bloggers has got me wanting to make my own bubble graphs despite the popular criticism of the graph. After some attempts I have produced something that looks similar but needs s...

Read more »

Search R-bloggers


Sponsors

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)