interaction model: use global parseFloat() instead of Number.parseFloat ...
interaction model: use global parseFloat() instead of Number.parseFloat ...

... as Number.ParseFloat is not supported in all browsers

grantadesign/dygraphs,grantadesign/dygraphs,grantadesign/dygraphs,grantadesign/dygraphs,grantadesign/dygraphs