I need help with the modification of a plot with y-axis. In Excel I don't have trouble, but the hard part is in R. Besides, I uploaded an example of the final plot in excel. It is not relevant the data you used.
I will appreciate your help.
Required double y-axis with polynomial function plot:
#Make lm model
Model<- lm(V~ T,data=data1)
summary(Model)
anova(Model)
HSD.test(Model, 'T', group = T, MSerror, alpha = 0.05, console = T)
#Make eq
eq <- function(data1){
m<- lm(V~T);
eq <- substitute(italic(y) == a + b %.% italic(x)*","~~italic(r)^2~"="~r2,
list(a = format(unname(coef(m)[1]), digits = 2),
b = format(unname(coef(m)[2]), digits = 2),
r2 = format(summary(m)$r.squared, digits = 3)))
}
#Make plot
ggplot(data, aes(x=Time, y=mean))+
geom_line()+
geom_smooth(method=loess)+
stat_regline_equation(label.y = 4.0e-06, aes(label=..eq.label..))+
stat_regline_equation(label.y = 3.8e-06, aes(label=..rr.label..))+
geom_pointrange(aes(ymin=mean-se, ymax=mean+se))+
theme(
line = element_line(colour = "black", size = 1, linetype = 1, lineend = "butt"),
rect = element_rect(fill = "white", colour = "black", size = 1, linetype = 1),
aspect.ratio = 1,
plot.background = element_rect(fill = "white"),
plot.margin = margin(1, 1, 1, 1, "cm"),
axis.text = element_text(size = rel(2.5), colour = "#000000", margin = 1),
strip.text = element_text(size = rel(0.8)),
axis.line = element_blank(),
axis.text.x = element_text(vjust = 0.2, angle=0),
axis.text.y = element_text(hjust = 1),
axis.ticks = element_line(colour = "#000000", size = 1.2),
axis.title.x = element_text(size = 30, vjust=0.5),
axis.title.y = element_text(size = 30, angle = 90),
axis.ticks.length = unit(0.1, "cm"),
legend.background = element_rect(colour = NA),
legend.margin = unit(0.15, "cm"),
legend.key = element_rect(fill = "grey95", colour = "white"),
legend.key.size = unit(1.2, "lines"),
legend.key.height = NULL,
legend.key.width = NULL,
legend.text = element_text(size = rel(2.0)),
legend.text.align = NULL,
legend.title = element_text(size = rel(2.0), face = "bold", hjust = 0),
legend.title.align = NULL,
legend.position = "right",
legend.direction = NULL,
legend.justification = "right",
legend.box = NULL,
panel.background = element_rect(fill = "#ffffff", colour = "#000000",
size = 2, linetype = "solid"),
panel.border = element_rect(colour = "black", fill=NA, size=2),
)+
ylab(expression(Volume~(m^3))) + xlab(expression(Time~(min)))