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목록2024/11/15 (1)
Channi Studies
Trend, Pattern, and The Correlation Coefficient (r)
When there are two numerical variables, there are TrendPositive associationNegative association PatternAny discernible "shape" in the scatterLinear Non-linear Visualize, then quantify The Correlation Coefficient rMeasures linear association. It is based on the standard units. r is defined as:The average of product of (x in standard units) and (y in standard units) 표준 단위 x와 표준 단위 y의 곱의 평균 In P..
Data Science/개념과 용어
2024. 11. 15. 07:34