Data Mining

learning data mining Nature of data After observation, we can get 3 types of data Nominal : which has label or tags, cant take mean, we can take percentage (frequecy) though eg, sex, taste Ordinal : Rank, satisfactions, mean may not be good… Interval/Ratio : Measure, intervals like age, time, couts Customer Age Sex Groceries Chocobars Type Satisfied Bulk 1 18 Male Rs 140 2 Milk 1 2 1 23 Female Rs 270 2 Dark 3 3 1 21 Female Rs 160 2 White 2 4 1 27 Male Rs 180 2 Milk 1 2 Type is Nominal and can be displayed in pie chart or bar chart Satisfied is Ordinal and can’t be displayed in pie chart. Read Moreā€¦