# Probability and Random Variable Transformation

Statistics
is the world of probability and random variables.

"Probability" is a popular word.
But "random variable" is not popular.

"Random variable" is also called "variable" and "
feature
".
These values are often thougt as probabilistic.

The picture of
distribution
made with
histogram
is popular.
X-axis is the random variable.
Probability is the area in the picture.

##
Transfomation from Probability to Random Variable

There is the case that random variable is probability data.
For example,
risk
data, and yield data in
quality
.

Logit Transformation and Probit Transformation
and
Odds Ratio
are the methods to transform probability data to random variable.

##
Transfomation from Random Variable to Probability

p-value used in
Hypothesis Testing
is the data transfomed from random variable to probability.

0-1 Data Analysis
includes the method to get probability data.

NEXT Logit Transformation and Probit Transformation