2
I’m trying to plot a graph but I’m not able to add the error bars with the function arrow. I don’t know what could be wrong with the code below:
m12<-plot(tq1_mean~time ,type ="p", col = "red", ylim=c(27.0,33))
axis(2, at=c(27.0:33.0))
arrows(m12,tq1_min, m12,tq1_max,length=0.05, angle=90, code=3)
I don’t want to use the ggplot.
4
The code below uses new data, since the original data was not provided in the question.
time <- 3:10
tq1_mean <- 3:10
sd <- sd(tq1_mean)
plot (time, tq1_mean, type ="p", col = "red", ylim=c(0, 15))
# desenha o traço vertical
segments(time,tq1_mean - sd, time, tq1_mean + sd)
# Define o tamanho dos traços horizontais
tamanho <- 0.1
# desenha o traço horizontal superior
segments(time - tamanho, tq1_mean - sd, time + tamanho, tq1_mean - sd)
# desenha o traço horizontal inferior
segments(time - tamanho, tq1_mean + sd, time + tamanho, tq1_mean + sd)
Thank you, you solved my problem
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