Advanced level tutorial of some basic stuffs. It is assumed that the reader has some knowledge about basic commands in matlab.

## Tags » Random Number

#### Random Number Generator

A little blast from the past. Before the random fortune teller and the random word generator, I started out pairing together Storyline and Javascript with this simple random number generator. 69 more words

#### Generating Random Numbers For All Rows in a Query and Other Funky Stuff You Can Do With Them

Here’s a lunchtime quickie for you all, this is something that I’ve seen asked on the forums plenty of times and always gets some quite convoluted responses. 887 more words

#### Game 4: Models: Sampling from a distribution/population (Discrete r.v.)

### Random Variable

- 整體狀況/母體 (population)
- 通常以pmf (probability mass function，離散型隨機變數); pdf (probability density function，連續型隨機變數) 來刻畫一個可以無限取樣的母體
- pmf/pdf 可理解為一個經標準化（面積為1）樣本無限大的長條圖（histogram）