It's my first question in stackoverflow. I'm beginner in R. So, Maybe my question is very simple thing about yours.
my data set is as following..
Time Inflow Outflow
0 0 0
1 5 3
2 35 15
3 90 35
4 97.5 45
5 80 59.5
6 45 60
7 22.5 50
8 12.5 40
9 2.5 30
10 0 25
11 0 15
12 0 7.5
13 0 5
14 0 0
And I plot line graph using ggplot2 packages.
but there is no legend...
How I can display legend in this graph?
my code is
library(dplyr)
library(ggplot2)
example1.1 <- read.delim("C:/Users/USER/Downloads/example1.1.txt", header=TRUE)
example1.2 <- example1.1 %>% mutate(S = (Inflow - Outflow)*3600)
example1.3 <- data.frame(example1.2)
gg1 <- ggplot(example1.3, aes(x=Time, y=Inflow, group=1)) +
geom_line(color="blue")
gg2 <- gg1 + geom_line(aes(x=Time,y=Outflow, group=1), color="red")
gg3 <- gg2 + xlab("Time") + ylab("cms")
