# Set Aspect Ratio of Scatter Plot and Bar Plot in R Programming – Using asp in plot() Function

`asp` is a parameter of the `plot()` function in R Language is used to set aspect ratio of plots (Scatterplot and Barplot). Aspect ratio is defined as proportional relationship between width and height of the plot axes.

Syntax: plot(x, y, asp )

Parameters:
x, y: Coordinates of x and y axis
asp: Aspect ratio

Example 1:

 `# Set seed for reproducibility ` `set.seed``(86000)      ` ` `  `# Create random x variable ` `x <- ``runif``(120)      ` ` `  `# Create y variable correlated with x ` `y <- x + ``runif``(120)       ` ` `  `# Plot without setting aspect ratio ` `plot``(x, y)        ` ` `  `# Plot with asp = 5 ` `plot``(x, y, asp = 5)          `

Output:

• Plot Without Aspect Ratio: • Plot with Aspect Ratio: Example 2:

 `# Set seed for reproducibility ` `set.seed``(86000)               ` ` `  `# Create random x variable ` `x <- ``runif``(120)               ` ` `  `# Create y variable correlated with x ` `y <- x + ``runif``(120)  ` ` `  `# Regular barplot ` `barplot``(x)                    ` ` `  `# Barplot with aspect ratio of 5 ` `barplot``(x, asp = 5)          `

Output:

• Bar Plot Without Aspect Ratio: • Bar Plot with Aspect Ratio: Here, the asp option increases the width of the y-axis.

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