Q.34 Transformations of this kind are usually referred to as feature
a. Transformations
b. Extraction
c. Scaling
d. Standardization
Answers
Answered by
0
Answer:
Standardization.
Explanation:
Standardisation, whereby values are adjusted for
differing level and spread. In general
value - level
standardised value = -------------.
spread
Standardised values have level 0 and spread 1 and have no units: hence
standardisation is useful for comparing variables expressed in different
units. Most commonly a standard score is calculated using the mean and
standard deviation (sd) of a variable:
x - mean of x
z = -------------.
sd of x
Standardisation makes no difference to the shape of a distribution.
Similar questions