Showing posts with label Outliers. Show all posts
Showing posts with label Outliers. Show all posts

Saturday, June 2, 2018

What is Outlier?

What is Outlier?

๐Ÿ”Ž Introduction In statistics, an outlier is a data point that lies far away from the rest of the observations. Outliers can distort av...

Wednesday, February 4, 2015

Modified Z-Scores using r code

Modified Z-Scores using r code

Two estimators used in the Z-Scores, the sample mean and sample standard deviation, can be affected by a few extreme values or by even a...

Thursday, January 29, 2015

History of Outliers

History of Outliers

Detection of outliers in the analysis of the data sets dates back to 18th century. Bernoulli (1777) pointed out the practice of deleting ...

Wednesday, November 28, 2012

Applications of outlier detections

Applications of outlier detections

Fraud detection: fraudulent applications for credit cards, state benefits or fraudulent usage of credit cards or mobile phones.   Loan ...

Friday, January 6, 2012

What is an outlier?

What is an outlier?

When analyzing data, you'll sometimes find that one value is far from the others. Such a value is called an outlier, a term that is usua...