Description Usage Arguments Value Note Author(s) See Also Examples
Plots observations in age-time diagram for each category of categorical covariate (using ggplot2)
1 | Lexis.points(Bdata, transition, title, cov,group,legend.pos,pdf)
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Bdata |
Biograph object |
transition |
The transition selected, e.g. "NJ" in GLHS data |
title |
Title of Lexis diagram |
cov |
Covariate. Observations are plotted for each category of this covariate. If observations should be plotted for the total sample population, cov = NA |
group |
Covariate. Graphs for groups are in separate panels. |
legend.pos |
position of legend |
pdf |
If graph should be stored in pdf file: pdf=TRUE, else pdf=FALSE |
graph
requires ggplot2
Frans Willekens.
Lexispoints (requires Epi)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | # Example 1: ages at labour market entry, by sex
data(GLHS)
#y <- Parameters(GLHS)
t <- "Date and age at labour market entry by sex and cohort"
z <- Lexis.points (GLHS,"NJ",title=t,cov="sex",group="cohort",legend.pos="right",pdf=FALSE)
# Example 2: ages at first birth among married women, by religious denomination
data(NLOG98)
y <- Parameters (NLOG98)
t <- "Date and age at first birth (married women) by religion and cohort"
z <- Lexis.points (NLOG98,"MK",title=t,cov="kerk",group="cohort",legend.pos="right",pdf=FALSE)
# Example 3: ages at leaving home, by birth cohort (any destination)
t <- "Date and age at leaving parental home by religion and education"
z <- c(0.7,0.2)
z <- Lexis.points (NLOG98,"H*",title=t,cov="kerk",group="educ",legend.pos=z,pdf=FALSE)
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