Plot missing values

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Description

This function plots missing values in the round robin matrix for visual inspection.

Usage

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plot_missings(formule, data, show.ids=TRUE)

Arguments

formule

A formula specifying the variable names. Example usage: DV ~ perceiver.id*target.id | group.id (group.id only necessary in multi group data sets)

data

The data frame

show.ids

Should the id's of the persons be printed on the axes?

Examples

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data(multiGroup)
m2 <- multiGroup
m2$ex[m2$perceiver.id==90201] <- NA
m2$ex[m2$perceiver.id>92001] <- NA
m2$ex[sample(nrow(m2),  1000)] <- NA
plot_missings(ex~perceiver.id*target.id|group.id, data=m2)
(RR1m <- RR(ex~perceiver.id*target.id|group.id, data=m2, na.rm=TRUE))