[R] Why is options(digits = 1) displays two digits?

[Gerrit Eichner]

Hi, Tal,

in print.default it says:

digits:

a non-null value for digits specifies the __minimum__
number of __significant__ digits to be printed in values.

Maybe this clarifies your observation.

  Hth  --  Gerrit

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Am 21.03.2017 um 10:30 schrieb Tal Galili:
> This may have been asked before, but I don't understand the behavior
> of options(digits = 1) for vectors containing values such as 0.01
>
> For example, why is this happening:
> options(digits = 1)
>> 0.01
> [1] 0.01
>
>
> More examples:
>> options(digits = 7)
>> 0.1
> [1] 0.1
>> 0.01
> [1] 0.01
>> 0.11
> [1] 0.11
>> c(0.1,0.01)
> [1] 0.10 0.01
>> options(digits = 1)
>> 0.1
> [1] 0.1
>> 0.01
> [1] 0.01
>> 0.11
> [1] 0.1
>> c(0.1,0.01)
> [1] 0.10 0.01
>>
>
> The help file in ?options says:
> digits:
> controls the number of digits to print when printing numeric values. It is
> a suggestion only.
>
>
> Is this what is mean by "It is a suggestion only." ?
>
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>
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