Hi We currently don't support what you are asking for. I added this to our feature request list. You can however use the charts server for partial solutions http://groups.google.com/group/google-chart-api/browse_thread/thread/0091e0feb389e052?pli=1
<http://groups.google.com/group/google-chart-api/browse_thread/thread/0091e0feb389e052?pli=1> ChartMan On Thu, Jul 2, 2009 at 6:29 PM, tazz_ben <[email protected]> wrote: > > Well, I'm asking for error bars: > > http://en.wikipedia.org/wiki/Error_bar > http://www.ncsu.edu/labwrite/res/gt/gt-stat-home.html > > If, for instance, let's say you have a bar chart and the mean of > particular data set is 5. As it is currently, you are basically > saying that your 100% certain the value is 5 (ie. standard deviation > of 0). Or at best you are saying that it is 5 and you don't know what > the confidence interval is (which makes it worthless). So, to do it > right, you would need to place an error bar on the chart going from > 4-6 (for instance) because that represents the 95% (for instance) > confidence interval. This is *absolutely* necessary whenever you use > discrete data. The only time you shouldn't have an error bar is when > the value is absolute (so basically whenever stats are involved you > should have error bars). > > > On Jul 1, 2:06 am, ChartMan <[email protected]> wrote: > > Can you elaborate of what you are asking for. > > An example will also be very helpful. > > > > ChartMan > > > > > > > > On Tue, Jun 30, 2009 at 8:29 PM, tazz_ben <[email protected]> wrote: > > > > > So, this is seems like fantastic system. I'm really impressed with > > > what google has provided to use to do charting. However, it doesn't > > > appear that you can place error bars on any of the charts. If that is > > > the case, it is real problem for discrete data sets. In a way, it > > > doesn't matter how cool the effects are, or how well it handles > > > whatever, without being able to display how accurate a number is, the > > > chart is useless. > > > > > So, is this something being worked on? Or is there way to extend the > > > existing tool to allow for this? > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/google-visualization-api?hl=en -~----------~----~----~----~------~----~------~--~---
