typecast {mi} | R Documentation |
Function for determinig the variable type.
typecast( object ) ## S4 method for signature 'ANY': typecast( object ) ## S4 method for signature 'matrix': typecast( object ) ## S4 method for signature 'data.frame': typecast( object ) ## S4 method for signature 'list': typecast( object )
object |
Vector, matrix, or data frame of data to determin the type of. |
The variable type of a vector, or vector of variable types for each variable in the dataset.
fixed |
varaibles that contain only one value. |
dichotomous |
variables that contain two values. |
ordered-categorical |
variables that contain 3 to 5 postive values. |
unorderd-categorial |
variables that contain characters or more than 5 postive levels |
positive-continuous |
variables that contain more than 5 postive values, NOT including 0s. |
mixed |
variables that contain more than 5 postive values, including 0s. |
continuous |
variables that are not belong to any of the above types. |
Masanao Yajima yajima@stat.columbia.edu, Yu-Sung Su ys463@columbia.edu, M.Grazia Pittau grazia@stat.columbia.edu,
Andrew Gelman and M. Grazia Pittau. “A flexible program for missing-data imputation and model checking”. Technical report. Columbia University, New York;
data(CHAIN) class(CHAIN) typecast(CHAIN[,1]) # for vector typecast(as.matrix(CHAIN))# for matrix typecast(CHAIN) # for data.frame