pub fn errorbar2_data<I, XE, YE, E1E, E2E>(data: I) -> Errorbar2where I: IntoIterator<Item = (XE, YE, E1E, E2E)>, XE: Real, YE: Real, E1E: Real, E2E: Real,
Create a new Errorbar2 with no options from a single iterator.
Errorbar2