How to make a profile graph in R?

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I'm trying to create a profile graph for this data frame that I titled "Femi":

Thisisthedatacode:

structure(list(oito=c(21,21,20.5,23.5,21.5,20,21.5,23,20,16.5,24.5),dez=c(20,21.5,24,24.5,23,21,22.5,23,21,19,25),doze=c(21.5,24,24.5,25,22.5,21,23,23.5,22,19,28),catorze=c(23,25.5,26,26.5,23.5,22.5,25,24,21.5,19.5,28)),.Names=c("oito", "dez", "doze", "catorze"
), class = "data.frame", row.names = c(NA, -11L))

Each observation is a child, which was observed at 8, 10, 12 and 14 years of age.

I was able to do the following chart:

Now I need to insert lines that connect each observation made in the same individual, thus tracing a profile of each individual as his or her age changes.

    
asked by anonymous 13.05.2016 / 03:18

1 answer

3

Using the dplyr , tidyr and ggplot2 you can do this: 

library(dplyr)
library(tidyr)
library(ggplot2)
dados %>%
  mutate(id = row_number()) %>%
  gather(idade, distancia, -id) %>%
  mutate(idade = factor(idade, levels = c("oito", "dez", "doze", "catorze"))) %>%
  ggplot(aes(x = idade, y = distancia, group = id)) + geom_line() + geom_point()

    
13.05.2016 / 16:27
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