Method
Use the drop-down menu to specify the method by which to hold out test observations for cross validation.
Available methods for holding out test observations are described in the table below:
Method |
Choose this method to... |
Simple Random |
...hold out a fraction of the data selected completely randomly. |
Stratified Random |
...randomly hold out a fraction of the data selected randomly within each trait group. |
Random Partition |
...randomly partition all of the data into groups and hold out each group in turn. |
Block Partition |
...partition all of the data into blocks of consecutive observations and hold out each group in turn. |
Split Partition |
...partition all of the data into k parts, with the ith part consisting of observations i, i + k, i + 2k, .... |
All Possible Subsets |
...hold out all possible subsets of a certain size. Currently only subsets of size 1, 2, or 3 are available. |
To Specify a Method for Holding Out Observations:
8 | Select the desired method using the drop-down menu. |