Hi Jorge,
That makes sense, thanks for the clarification.
Thanks,
Lin
On Mon, 3 Jan 2022 at 23:49, Jorge Cardoso Leitão
wrote:
> Hi,
>
> The accumulator API is designed to accept multiple columns (e.g. the
> pearson correlation takes 2 columns, not one). [0] corresponds to
> the first column
Hi,
The accumulator API is designed to accept multiple columns (e.g. the
pearson correlation takes 2 columns, not one). [0] corresponds to
the first column passed to the accumulator. All concrete implementations of
accumulators in DataFusion atm only accept one column (Sum, Avg, Count,
Min, Max),
Hi All,
I just started looking into DataFusion and am considering using it as the
platform for our next gen analytics solution. To get started, I tried to
add a few functions such as stddev. While writing the code I noticed some
discrepancies (it may also be my unfamiliarity of the code base) in
