ggplot2 in R
How to Use alpha with geom_point() in ggplot2
You can use the alpha argument within the geom_point() function in ggplot2 to modify the transparency of the points in a plot.
This argument uses...
dplyr in R
How to Pass a String as Variable Name in dplyr
You can use one of the following methods to pass a string as a variable name in dplyr:
Method 1: Use get()
df %>% filter(get(my_var) ==...
ggplot2 in R
How to Remove NAs from Plot in ggplot2 (With Example)
You can use the following basic syntax to remove NA values from a plot in ggplot2:
library(ggplot2)
ggplot(data=subset(df, !is.na(this_column)), aes(x=this_column)) +
geom_bar()
This particular example creates...
ggplot2 in R
How to Create Plot in ggplot2 Using Multiple Data Frames
You can use the following basic syntax to create a plot in ggplot2 using multiple data frames:
library(ggplot2)
ggplot() +
geom_line(data=df1, aes(x=x_var, y=y_var), color='blue')...
dplyr in R
dplyr: How to Summarise Data But Keep All Columns
When using the summarise() function in dplyr, all variables not included in the summarise() or group_by() functions will automatically be dropped.
However, you can use...
dplyr in R
dplyr: How to Change Factor Levels Using mutate()
You can use the following basic syntax in dplyr to change the levels of a factor variable by using the mutate() function:
library(dplyr)
df % mutate(team=recode(team,
...
ggplot2 in R
How to Adjust Space Between Bars in ggplot2 (With Examples)
You can use the following methods to adjust the space between bars in ggplot2 bar charts:
Method 1: Adjust Spacing Between Bars in Bar Chart
ggplot(df,...
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