[R] Extracting data using subset function

[Upananda Pani]

Thank you. It means we can not use the subset function here.

Regards

On Mon, 6 Feb, 2023, 00:53 Andrés González Carmona, <andresgc using ugr.es> wrote:

> From ?subset:
> Warning
>
> This is a convenience function intended for use interactively. For
> programming it is better to use the standard subsetting functions like [
> <http://127.0.0.1:21786/library/base/help/%5B>, and in particular the
> non-standard evaluation of argument subset can have unanticipated
> consequences.
>
> El 05/02/2023 a las 15:07, Upananda Pani escribió:
>
> Dear All,
>
> I want to create a vector p and extract first 20 observations using subset
> function based on logical condition.
>
> My code is below
>
> p <- 0:100
>
> I know i can extract the first 20 observations using the following command.
>
> q <- p[1:20]
>
> But I want to extract the first 20 observations using subset function which
> requires a logical condition. I am not able to frame the logical condition.
>
> The code should be
>
> q <- subset(p, logical condition)
>
> I am not able to do it. Please let me know what you think.
>
> Best regards,
> Upananda
>
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