They currently are not. You can use describe() to get these values and

getValue() if you want to use a specific value.

let(arr=array(1,3,3), m=describe(a), s=getValue(m, stdev))

It makes sense to add these on there own as well.

Joel Bernstein

http://joelsolr.blogspot.com/On Wed, Apr 10, 2019 at 11:13 AM Nazerke S <

[hidden email]> wrote:

> Hi,

>

> I have got a question about Streaming Expression evaluators.

> I would like to calculate mean, standard deviation and variance of the

> given array.

>

> For example, the following code works for the mean:

> let(arr=array(1,3,3), m=mean(a))

>

> Also, I want to compute variance and standard deviation as well i.e.:

> let(echo="m,v,sd", arr=array(1,3,3), m=mean(a), v=var(a),

> sd=stddev(a))

>

> It seems the var(), stddev() evaluator functions are not implemented as

> separate functions??

>

> __Nazerke

>