[R] Fwd: Error in setting the parameter values of k

[Neha gupta]

Thanks a lot, Milne and Patrick.

I am going to change the values, hopefully the error message will disappear.

Warm regards

On Tue, Dec 29, 2020 at 5:53 PM Patrick (Malone Quantitative) <
malone using malonequantitative.com> wrote:

> Likely, yes. Your error message says k must be at least 1, so searching
> below 1 is probably your issue.
>
> Also, logically, zero nearest neighbors doesn't seem to make a lot of
> sense.
>
> Pat
>
> On Tue, Dec 29, 2020 at 11:01 AM Neha gupta <neha.bologna90 using gmail.com>
> wrote:
>
>> Thank you for your response.
>>
>>  Are you certain that k = 0 is a legitimate setting?
>>
>> Since, the default value of k is 1, I wanted to search between the values
>> of 0 to 3.
>>
>> Milne, Do you mean I have to provide both the lower and upper bounds
>> greater than 1 in order to get rid of this error?
>>
>> On Tue, Dec 29, 2020 at 4:50 PM T. A. Milne <milneta using tuta.io> wrote:
>>
>> > I am using mlr3 'fast nearest neighbor' leaner i.e. fnnIts parameter is
>> > 'k' which has a default value of 1. When I use tuningusing random
>> search, I
>> > set the parameter of k as: lower= 0, upper=3But it gives an error
>> > messageError in self$assert(xs) :  Assertion on 'xs' failed: k: Element
>> 1
>> > is not >= 1.I have tried different values but the error remains.Warm
>> > regards    [[alternative HTML version deleted]]
>> > I know absolutely nothing about the specific statistical tools being
>> used
>> > here, but:
>> >
>> > In several nearest neighbor routines, the parameter k refers to the
>> number
>> > of nearest neighbors to be considered (in some computation).  In that
>> case,
>> > k must be at least 1, which is what the cited error message seems to be
>> > claiming.  Are you certain that k = 0 is a legitimate setting?
>> >
>> >
>> > - T. Arthur Milne
>> >
>> >
>> >
>>
>>         [[alternative HTML version deleted]]
>>
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>
>
> --
> Patrick S. Malone, Ph.D., Malone Quantitative
> NEW Service Models: http://malonequantitative.com
>
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>

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