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This article mainly introduces the R language how to draw Dot plot point map related knowledge, the content is detailed and easy to understand, the operation is simple and fast, has a certain reference value, I believe that everyone after reading this R language how to draw Dot plot point map article will have a harvest, let's take a look.

Point map (Dot plot)

The mapping data are as follows:

Step1. Preparation of drawing data

First of all, you need to adjust the data you want to draw into a format that can be recognized by R language, and it is recommended that you save it into csv format in excel.

Step2. Reading data of drawing data

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