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Duplicate and concatenate in R, we will explore how to use the `str_dup` function in R to duplicate and concatenate strings within a character vector.

The `str_dup` function is part of the `stringr` package, which provides a variety of functions for working with strings.

Example Data

To demonstrate the usage of `str_dup`, we will create a character string `x` containing the letters “ABC” and three dots:

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`x <- "ABC..."`

Example: Application of str_dup Function in R

Before we can use the `str_dup` function, we need to install and load the `stringr` package:

```install.packages("stringr")
library("stringr")```

Now, we can use the `str_dup` function to duplicate the character string `x` five times:

`str_dup(x, 5)`

This will output a new character string containing the original string `x` five times:

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`# "ABC...ABC...ABC...ABC...ABC..."`

As you can see, the `str_dup` function duplicates the original string `x` five times and concatenates the results into a single character string.

## Conclusion

In this article, we have learned how to use the `str_dup` function in R to duplicate and concatenate strings within a character vector.

By using the `str_dup` function, you can easily create repeated strings for various purposes, such as data manipulation or text analysis.

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