This Observable Plot example renders like:

It translates to SveltePlot as:

<Plotlabel="null"marginLeft={60}height={240}grid="true"r={{range: [0,40] }}>    <Dot        {...group(            {data:penguins,x:'species',y:'island',z:'sex',            },            {r:'count' }        )} /></Plot>

which renders as:

Changingstroke: 'sex' toz: 'sex' fixes the grouping:

but means that the male/female circles can't be distinguished.

TheSveltePlot docs sugegst this should work:

Groups on x and y channels as an additional z, fill, or stroke channel

(this is one of the issues surfaced by#72)