Mar 5, 2020 · How can I create a line graph with ggplot 2 where the x variable is either categorical or a factor, the y variable is numeric and the group variable is categorical? I have tried just + geom_point …

Feb 25, 2013 · ggplot(mtcars) + geom_point(aes(x=mpg, y=drat, colour=factor(gear))) Is the general rule to use factor when the variable being used to determine the shape/size/colour is discrete, and not …

Jan 21, 2020 · I currently have a graph that looks okay but I am trying to convert it to a line graph. However, I cannot seem to get it to work and create multiple factors like I have previously. How can I …

Introduction to ggplot Before we dig into creating line graphs with the ggplot geom_line function, I want to briefly touch on ggplot and why I think it's the best choice for plotting graphs in R. ggplot is a …

This post is a step by step introduction to line chart with R and ggplot2. It provides several reproducible examples with explanation and R code.

Nov 16, 2020 · This tutorial explains how to assign colors by factor in ggplot2, including several examples.

I want a line plot, where value is plotted as a function of expt with one line per level in var: Here is my data: lines <- " expt,var,value 1,none.p,0.183065327746799 2,none.p,0.25423413838424...

This post explains how to build a line chart that represents several groups with ggplot2. It provides several examples with explanation and reproducible code.

How to plot factors in a specified order in ggplot A question of how to plot your data (in ggplot) in a desired order often comes up. Here's a quick demonstration of the trick you need to use to convince …

ggplot() initializes a ggplot object. It can be used to declare the input data frame for a graphic and to specify the set of aesthetic mappings for the plot, intended to be common throughout all subsequent …