Chengwei LEI, Ph.D.    Associate Professor

Department of Computer and Electrical Engineering and Computer Science
California State University, Bakersfield

 

Measurements Examples



Iris flower

The Iris flower data set or Fisher's Iris data set is a multivariate data set introduced by the British statistician and biologist Ronald Fisher in his 1936 paper The use of multiple measurements in taxonomic problems as an example of linear discriminant analysis.

 

Here is the Data.


How can we build the distance matrix?

Euclidean distance
Manhattan distance
Chebyshev distance
Minkowski distance

 

 




 

Steam Gamers

 

Here is a game list from Steam. There are 40 games in this list.
You have 5 friends on steam, and here are their purchase list.

 

Can you find out their gaming hobby similarity?

Hamming distance
Cosine Similarity
Jaccard Similarity

 


 

Diving Judges' Points

Here is a table of judges' points for a diving game. Please find out the preferences similarities between different judges.

 

 

Pearson Correlation Coefficient
Spearman’s Rank Correlation