On Wed, 2011-02-09 at 18:59 -0500, Daniel P. Dougherty wrote: > On Wednesday, February 09, 2011 12:57:51 am Andreas Guelzow wrote: > > Consider the following (discrete) example data: > > 2 > > 10 > > 10 > > 5 > > 9 > > 2 > > 5 > > 10 > > 8 > > 10 > > > > This would be really simple: > > > > 1) run the analysis > > 2) format the spreadsheet cells however you like > > 3) then create your column chart. > > > > No it turns out it isn't simple at all. The "Custom Formatting" can't be > easily formatted to "Number" if the infinite bounds are used in the bins > option. It all just turns to ####### or blows out the axis of the chart (both > bizarre behavior)
Okay if I don't touch the formatting (except rotating the labels slightly to avoid overlap) I get something like shown in chart1.png. I like it. Apparently you don't. If I would prefer numbers I reformat the cells on the spreadsheet and recreate a column chart, of course I do not use a format that requires too much space, or if I really want I just enlarge the column width. And I get chart2.png > > --> So OK, I then choose the one of the last two binning options which have > only the finite bounds. Either of these options loses all of my 2's and > 10's > from my data because it doesn't capture the maximum of my data!! My > histogram > only has 80% of my data now :( It's a spreadsheet so it is really simple to change the formula that counts those cells you don't like. Or you can bump the limits slightly. > > Histogram > Column 1 > above 2 up to 2.88888888888889 0.0% > above 2.88888888888889 up to 3.77777777777778 0.0% > above 3.77777777777778 up to 4.66666666666667 0.0% > above 4.66666666666667 up to 5.55555555555556 20.0% > above 5.55555555555556 up to 6.44444444444444 0.0% > above 6.44444444444444 up to 7.33333333333333 0.0% > above 7.33333333333333 up to 8.22222222222222 10.0% > above 8.22222222222222 up to 9.11111111111111 10.0% > above 9.11111111111111 up to 10 > 40.0% > > > So what do I need to do then?? I need to go back scan all my data (big pain > if > it's a large data set or need to use functions) for max and min then set up > "Calculated cutoffs" with "Minimum cutoff" and "Maximum cutoff" some > perturbation below my min and above max so I can get 100% of my data back > into > my bins and then I go through the whole procedure again and now essentially > needing to by-pass all the new features of Gnumeric's histogram features > (like > select "No chart" option and do my own Column chart setting up my own labels) > to get the most basic frequency histogram from a small data set. Or you could just change the lower and upper values in the histogram table... > > The point one comes away with is that it is not easy at all in Gnumeric to > reproduce what is default histogram behavior of other _very_ popular > software. > I think this is a problem. Well if you can easily create the histogram you like with other very popular software, then there is really no reason for Gnumeric to duplicate that. Of course If I try to look at other popular spreadsheet programs, ie. OpenOffice3.2, Kspread, Excel, then I don't even find a histogram tool in OOo. Searching the net for "kspread histogram" yields no result so I suspect it may not have a histogram tool either. Excel seems to have a histogram tool to create a histogram table but it looks to me like you need to specify the cutoffs manually and use the chart wizard if you want to have a chart. Andreas > >
<<attachment: chart1.png>>
<<attachment: chart2.png>>
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