Search for tag: "type ii error"

Thumbnail for entry Loss Function Optimality

Loss Function Optimality

duration 12 minutes 27 seconds

Loss Function Optimality

Loss Function Optimality

Loss Function Optimality

A decision-theoretic approach to evaluating a hypothesis test involves optimizing a loss function whose action space contains only two elements. The loss function is a two-part function that takes…

action space
decision rule
loss function
risk function
cost
type i error
type ii error
generalized loss function
generalized 0-1 loss function
From  Jane Harvill 102 plays 0  
Thumbnail for entry Error Probabilities and Power Functions

Error Probabilities and Power Functions

duration 33 minutes 42 seconds

Error Probabilities and Power Functions

Error Probabilities and Power Functions

Error Probabilities and Power Functions

In deciding to accept or reject the null hypothesis, an experimenter might be making a mistake. Usually, hypothesis tests are evaluated and compared through their probabilities of making mistakes. …

type i error
type ii error
power function
level of the test
size of the test
unbiased test
From  Jane Harvill 262 plays 0