![]() # flexibility is needed like different separators at different positions, # use_label() makes it easier to create the mappings, but when more Ggplot(data = dfg, aes(x = x, y = y, linetype = group, grp.label = group)) + # A group label is available, for grouped data Ggplot(data = dfg, aes(x = x, y = y, colour = group)) + Labs(x = expression(italic(z)), y = expression(italic(h))) + # variable substitution as asked by same labels in equation and axes # adding a hat as asked by and = df, aes(x = x, y = y)) + Stat_poly_eq(formula = y ~ poly(x, 2, raw = TRUE), use_label("eq")) + Stat_poly_line(formula = y ~ poly(x, 2, raw = TRUE)) + # adding separate labels with equation and R2 # assembling a single label with R2, its confidence interval, and n # assembling a single label with equation, adjusted R2, F-value, n, P-value # assembling a single label with equation and R2 # using default formula, label and methods I have omitted in all code examples the additional arguments to stat_poly_line() as they are irrelevant to the question of adding labels. In the examples I use stat_poly_line() instead of stat_smooth() as it has the same defaults as stat_poly_eq() for method and formula. Although use of aes() and after_stat() remains unchanged, use_label() makes coding of mappings and assembly of labels simpler. ![]() The main change is the assembly of labels and their mapping using function use_label() added in 'ggpmisc' (=0.5.0). I have updated this answer for 'ggpmisc' (>= 0.5.0) and 'ggplot2' (>= 3.4.0) on. Each eq stat has a matching line drawing stat.) (Statistics stat_ma_eq() and stat_quant_eq() work similarly and support major axis regression and quantile regression, respectively. Let’s plot these 12 cases as labels.Statistic stat_poly_eq() in my package ggpmisc makes it possible to add text labels to plots based on a linear model fit. Apparently, there are twelve cases that suffice these conditions. You can read the the above code as follows: filter (or select) cases from the mpg-dataset with the condition that the case either has the maximum or minimum value on either displ or cty. # 1 chevrolet corv… 7 2008 8 manu… r 15 24 p 2sea… ![]() # manufacturer model displ year cyl trans drv cty hwy fl class Mpg_reduced % filter(displ = max(displ) | displ = min(displ) | cty = max(cty) | cty = min(cty)) 14.1.1 Recreating the graph with more manual labour.13.3 Other ways to visualize two continuous variables.13 Visualizing two continuous variables.12.4 An important note on mean-error-plots.12.3.3 Using the built-in mean_se() function.12.3.2 Creating your own “se” function within geom_errorbar(). ![]()
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