Actually, the way that data analysts really handle intervals is to not think of them as "intervals" in that we don't have to calculate their "position" on a chart.
We represent error by inputting the error amount (such as mean standard error), and then the visualization software figures out how to position the ends of the error bars. -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/google-visualization-api. For more options, visit https://groups.google.com/d/optout.
