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Machine Learning
Data Collection & Standardization
Statistical Data Types
Numerical
Categorical
Discrete Data
* Can be counted
* Finite or infinite
* Integers or Natural numbers
* Interval scale
* Eg., number of samples
Continuous Data
* Measured
* Finite or infinite
* Real number
* Ratio scale
* Eg., welding current, sheet thickness
Ordinal Data
* Numbers placed in categories have meaning
* May be "averaged"
* Eg., failure mode
Nominal Data
* Arbitrary labels
* No intrinsic order
* Eg., material grade, coating type
Binary Data
* Only two values
* Eg., expulsion yes/no
References
https
://
en.wikipedia.org/wiki/Statistical_data_type
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