- In
probability theory and statistics,
variance is the
expected value of the
squared deviation from the mean of a
random variable. The
standard deviation...
- or
probability distribution is the
square root of its
variance. (For a
finite po****tion,
variance is the
average of the
squared deviations from the mean...
- In
statistics and
machine learning, the bias–
variance tradeoff describes the
relationship between a model's complexity, the
accuracy of its predictions...
-
Analysis of
variance (ANOVA) is a
family of
statistical methods used to
compare the
means of two or more
groups by
analyzing variance. Specifically, ANOVA...
- Look up
variance in Wiktionary, the free dictionary. In
probability theory and statistics,
variance measures how far a set of
numbers are
spread out....
- In statistics, the
variance inflation factor (VIF) is the
ratio (quotient) of the
variance of a
parameter estimate when ****ing a full
model that includes...
-
variance σ i 2 {\displaystyle \sigma _{i}^{2}} , all
having the same mean, one
possible choice for the
weights is
given by the
reciprocal of
variance:...
-
median and mode),
while the
parameter σ 2 {\textstyle \sigma ^{2}} is the
variance. The
standard deviation of the
distribution is σ {\displaystyle \sigma...
-
average variance extracted (AVE) is a
measure of the
amount of
variance that is
captured by a
construct in
relation to the
amount of
variance due to measurement...
- all its
random variables have the same
finite variance; this is also
known as
homogeneity of
variance. The
complementary notion is
called heteroscedasticity...
