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Coercion happens in R when the type of objects are changed during computation either implicitly or by using functions for explicit coercion (such as as.numeric, as.data.frame, etc.).

Coercion happens with data types in R, often implicitly, so that the data can accommodate all the values. For example,

```
x = 1:3
x
[1] 1 2 3
typeof(x)
#[1] "integer"
x[2] = "hi"
x
#[1] "1" "hi" "3"
typeof(x)
#[1] "character"
```

Notice that at first, `x`

is of type `integer`

. But when we assigned `x[2] = "hi"`

, all the elements of `x`

were coerced into `character`

as vectors in R can only hold data of single type.

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