How to Change Canvas Size in R

In R language, you can adjust the size of the canvas using the par() function. The specific steps are as follows:

1. To adjust the size of the plot area or device in inches using the par() function, specify the parameter as pin (plot area size) or din (device size). For instance, to set the canvas size to 12 inches wide and 6 inches high, you can use the following command.
2. plot a graph with a pin aspect ratio of 2:1
3. Then use the plot() function to draw the graph, with the size of the canvas automatically adjusting based on the previously set parameters.
4. After finishing drawing the graphic, you can use the dev.off() function to close the plotting device and display the final canvas size.
5. Close the device.

By following the above steps, you can adjust the canvas size in R language.