is_single_number | R Documentation |

Evaluates if the argument is a single number

```
is_single_number(x)
```

`x` |
a variable to evaluate |

`TRUE`

if is a single number, `FALSE`

otherwise

```
is_single_number(3) #TRUE
is_single_number(c(3,3,3)) #FALSE
is_single_number(list(a=3)) #FALSE
is_single_number("3") #FALSE
```

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