adding rscoreapprox

rowers/interactiveplots.py

@@ -1,6 +1,6 @@
 from rowers.metrics import axes, axlabels, yaxminima, yaxmaxima, get_yaxminima, get_yaxmaxima
 from rowers.dataprep import nicepaceformat, niceformat, strfdelta
-from rowers.datautils import p0, rpetotss
+from rowers.datautils import p0, rpetotss, rscore_approx
 from rowers.metrics import rowingmetrics, metricsdicts
 from scipy.spatial import ConvexHull, Delaunay
 from scipy.stats import linregress, percentileofscore