R stripchart.default Error – invalid plotting method (2 Examples)

This article explains how to avoid the “Error in stripchart.default(x1, …) : invalid plotting method” in R programming.

Creating Example Data

data(iris)                      # Example data frame
head(iris)
#   Sepal.Length Sepal.Width Petal.Length Petal.Width Species
# 1          5.1         3.5          1.4         0.2  setosa
# 2          4.9         3.0          1.4         0.2  setosa
# 3          4.7         3.2          1.3         0.2  setosa
# 4          4.6         3.1          1.5         0.2  setosa
# 5          5.0         3.6          1.4         0.2  setosa
# 6          5.4         3.9          1.7         0.4  setosa

Example 1: Reproducing the Error Message : invalid plotting method

plot(iris[1], iris[2])          # Try to create plot
# Error in stripchart.default(x1, ...) : invalid plotting method

Example 2: Solving the Error Message : invalid plotting method

plot(iris[ , 1], iris[ , 2])    # Apply plot function to proper data

r graph figure 1 r stripchart default error invalid plotting method

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