This is an internal function
Arguments
- RF
A
ranger::ranger
object.- k
Tree index to convert.
- add_layer
Value
A tree data frame for the k
th tree in RF
.
Each row of the tree data frames corresponds to a node of the respective tree and the columns correspond to:
nodeID
: ID of the respective node (important for left and right daughters in the next columns)leftdaughter
: ID of the left daughter of this noderightdaughter
: ID of the right daughter of this nodesplitvariable
: ID of the split variablesplitpoint
: Split point of the split variable. For categorical variables this is a comma separated lists of values, representing the factor levels (in the original order) going to the right.status
:0
for terminal (splitpoint
isNA
) and1
for non-terminal.