Convert a matrix or data frame to numeric or integer for Mplus
Primarily an internal utility function, for prepareMplusData.
.convertData(df)
df |
A matrix or data frame |
An error if it cannot be converted or a matrix or data frame with all variables converted to numeric or integer classes
## Not run: df1 <- df2 <- df3 <- df4 <- mtcars df2$cyl <- factor(df2$cyl) df2$am <- as.logical(df2$am) df3$mpg <- as.character(df3$mpg) df4$vs <- as.Date(df4$vs, origin = "1989-01-01") df5 <- as.matrix(cars) df6 <- matrix(c(TRUE, TRUE, FALSE, FALSE), ncol = 2) df7 <- as.list(mtcars) MplusAutomation:::.convertData(df1) MplusAutomation:::.convertData(df2) MplusAutomation:::.convertData(df3) MplusAutomation:::.convertData(df4) MplusAutomation:::.convertData(df5) MplusAutomation:::.convertData(df6) MplusAutomation:::.convertData(df7) rm(df1, df2, df3, df4, df5, df6, df7) ## End(Not run)
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