qdap (version 2.2.9)

gantt_rep: Generate Unit Spans for Repeated Measures

Description

Produces start and end times for occurrences for each repeated measure condition.

Usage

gantt_rep(rm.var, text.var, grouping.var = NULL, units = "words",
  col.sep = "_", name.sep = "_")

Arguments

rm.var

An optional single vector or list of 1 or 2 of repeated measures to facet by.

text.var

The text variable.

grouping.var

The grouping variables. Also takes a single grouping variable or a list of 1 or more grouping variables.

units

The unit of measurement to analyze. One of the strings "character", "syllable", "word", or "sentence".

col.sep

The character string to use to separate pasted variables in the pasted columns.

name.sep

The character string to use to separate column names of the pasted columns.

Value

Returns a data frame of start and end times by repeated measure and grouping variable(s)

References

Clark, W. & Gantt, H. (1922) The Gantt chart, a working tool of management. New York, Ronald Press.

See Also

gantt, gantt_wrap, gantt_plot

Examples

# NOT RUN {
dat <- with(rajSPLIT, gantt_rep(act, dialogue, list(fam.aff, sex),
    units = "words", col.sep = "_"))
head(dat, 20)
plot(dat)

gantt_wrap(dat,  "fam.aff_sex",  facet.vars = "act",
    title = "Repeated Measures Gantt Plot",
    minor.line.freq = 25, major.line.freq = 100)

## Two facets variables
dat2 <- with(DATA2, gantt_rep(list(day, class), state, person,
    units = "words", col.sep = "_"))
head(dat2, 20)
plot(dat2)
# }