IM {MVar} | R Documentation |
In the indicator matrix the elements are arranged in the form of dummy variables, in other words, 1 for a category chosen as a response variable and 0 for the other categories of the same variable.
IM(data, names = TRUE)
data |
Categorical data. |
names |
Include the names of the variables in the levels of the Indicator Matrix (default = TRUE). |
mtxIndc |
Returns converted data in the indicator matrix. |
Paulo Cesar Ossani
Marcelo Angelo Cirillo
RENCHER, A. C. Methods of multivariate analysis. 2th. ed. New York: J.Wiley, 2002. 708 p.
data <- matrix(c("S","S","N","N",1,2,3,4,"N","S","T","N"), nrow = 4, ncol = 3) IM(data, names = FALSE) data(DataQuali) # qualitative data set IM(DataQuali, names = TRUE)