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show equation using geom_smooth

Frail Falcon answered on July 19, 2021 Popularity 7/10 Helpfulness 5/10

answer show equation using geom_smooth

related geom_smooth add r2 or equation

show equation using geom_smooth

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library(ggpmisc)
df <- data.frame(x = c(1:100))
df$y <- 20 * c(0, 1) + 3 * df$x + rnorm(100, sd = 40)
df$group <- factor(rep(c("A", "B"), 50))
my.formula <- y ~ x
p <- ggplot(data = df, aes(x = x, y = y, colour = group)) +
  geom_smooth(method = "lm", se=FALSE, formula = my.formula) +
  stat_poly_eq(formula = my.formula, 
               aes(label = paste(..eq.label.., ..rr.label.., sep = "~~~")), 
               parse = TRUE) +         
  geom_point()
p

p <- ggplot(data = df, aes(x = x, y = y, linetype = group)) +
  geom_smooth(method = "lm", se=FALSE, formula = my.formula) +
  stat_poly_eq(formula = my.formula, 
               aes(label = paste(..eq.label.., ..rr.label.., sep = "~~~")), 
               parse = TRUE) +         
  geom_point()
p

Popularity 7/10 Helpfulness 5/10 Language python

Source: stackoverflow.com

Tags: equation python show using

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Contributed on Jul 19 2021

Frail Falcon

0 Answers Avg Quality 2/10

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geom_smooth add r2 or equation

Comment

You could write a custom function but why bother?

library(ggplot2)
library(ggpmisc)

# artificial data
df <- data.frame(x = c(1:100))
df$y <- 2 + 3 * df$x + rnorm(100, sd = 40)
df$yy <- 2 + 3 * df$x + 0.1 * df$x^2 + rnorm(100, sd = 40)

# using default formula, label and methods
ggplot(data = df, aes(x = x, y = y)) +
  stat_poly_line() + #<- USE THIS
  stat_poly_eq() + # <- And THIS
  geom_point()

Popularity 4/10 Helpfulness 1/10 Language r

Source: stackoverflow.com

Tags: r equation add

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Contributed on Mar 03 2023

Trustworthy Whale

0 Answers Avg Quality 2/10

show equation using geom_smooth

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show equation using geom_smooth

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geom_smooth add r2 or equation

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