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I've made a note, and when I get some more tuits around here, I'll fix it up. 2. I am making a graph based on frequency Hz for 1/3 octave bands and would like the x axis to disply evey whole octave in Hz. New website with data sets, downloadable spreadsheets and other useful resources. Daniel says: Sunday, January 4, 2009 at 12:10 pm Hello, I hope it is politically correct to point out an alternative to the utility introduced here: The XL Toolbox that I

Posted by t3z on October 11, 2011 at 02:30 AM. This is my understanding that excel does one of the following, please correct me if I am wrong. You know, clients and all. I can't believe Microsoft overlooked this feature.

These are values you've calculated and placed into a range, usually adjacent to the X or Y values. how to draw linear trend line for log vs log plot dear friends i am drawing a plot log vs log and want to draw linear trend line but it is Also, If I change the magnitude of the error bar to greater than or equal the magnitude of the data point, I get a warning about plotting negative values on a For errors that are small enough, one can make the approximation that αZ(+) = αZ(-) and use the analytical expression αZ = αA / A for both αZ(+) and αZ(-).

Excel (2008) only lets me define one standard error value (pos./neg.) correct? Posted by carmen on April 11, 2008 at 11:55 PM. I know the new philosophy of Office is to place a command in only one place in the whole user interface. I hope it is not too late to get your help.

or it is just an excel bug?? Log graph Thanks ! I have my own result and the class's average result. N.B.

ECE LIFE sucks!!! When I saw your insight into excel graphing problems and error bars I was hoping you might have an idea to help. callicles View Public Profile View message headers Find all posts by callicles Find all threads started by callicles « Previous Thread | Next Thread » Thread Tools Show Printable Version Please help me with this issue as to why the negative error bar is so bizzare.

I was ready to just do it all manually in Illustrator, as I was starting to get that adrenaline feeling that you get when you're 10 and keep messing up during maziar thank you very very very ... The modeless dialogs have created more problems than they may have solved, though I'm sure this seemed like a good idea at the time. However, when I tried to insert the Y-error bars some of datapoints only low the upper part of the bar and not the lower bar.

t would be a straight line. Have you or anyone else encountered this? No more ads! I wish to plot this as a column plot on a log scale (y-axis) with negative values below the zero baseline, positive values above, and with the errors indicated.

Stefanos says: Wednesday, November 4, 2009 at 3:14 pm Nevermind, I found it on my own :) thank you anyway. Your error bar utility is awesome, as I cannot figure out this modeless-thing Anyway, I am building a control chart. In Excel 2003 SP3 and Excel 2007 SP2, charts on "Sheet1 (2)" had custom error bars that pointed to ranges on "Sheet1 (2)". I have made a ‘template spreadsheet' with numerous graphs each having custom error bars assigned from my calculation of the standard error.

Jon Peltier says: Wednesday, December 10, 2008 at 11:59 am Colin - Thanks for the guest post :-) You've made some good points. My work involves ranges 10^+/-24. He has conducted extensive reseach in surface chemistry and Mossbauer Effect. Jon Peltier says: Thursday, July 30, 2009 at 1:15 pm Avi sent me the file, and I reproduced the error.

vinay says: Thursday, August 13, 2009 at 3:15 pm Thanks a ton for the error bar add in… cheers Scott says: Monday, August 24, 2009 at 4:19 pm Hi Jon, My Look at gene2: the untransformed mean is -0.150 and the standard error is 1.21. Jon Peltier says: Wednesday, December 10, 2008 at 7:17 pm I think a lot of us have gotten a few good rants about the 2007 redesign. For Negative Error Bar : Does it do log(Mean - 95% Confidence Interval) or [log(Mean) - log(95% Confidence Interval)] or something else?

It's quite curved... pls help me find the answer Posted by Lee on August 31, 2010 at 11:45 PM. Posted by NeverLift on September 24, 2008 at 01:53 AM. Sincerely, Greg :-) Attached Files Log-transformed data.xls‎ (65.5 KB, 343 views) Reply With Quote 04-25-200802:48 PM #6 Rounds View Profile View Forum Posts Posts 154 Thanks 0 Thanked 0 Times in

The axis label must reflect these facts. As an example, a graph showing a set of data plotted using a logarithmic scale for the vertical axis is compared in figure 3 to a graph showing the same data This would be a confusing (no to mention totally redundant) mess. If you are willing I'd be happy to send you a copy of the spreadsheet so that you could take a look yourself.

but when I go to options to format the trendline, its definitely the linear option. I will really appreciate any help Thanks Harini Sian says: Wednesday, April 28, 2010 at 12:40 pm Hi, this is a very very helpful article, and the utility is brilliant.. Start with a XY Scatter chart for the data in Figure 1.  Remove the title and legend, if any. I am now trying to deal with Excel 2007 and had the bad surprised that when opening my Panel Chart I created under Excel 2003 (according to your tutorial about Panel

Log scale in secondary axes I am plotting data on primary and secondary axes, however when I am trying to convert the x-axis to log scale, my data in secondary axes It is always possible to use a dummy series and its data labels, or simply text boxes, to annotate anything you want. While the "new" Excel might be good for those who have never used it before, for those of us that started with Excel 1.3 or earlier, it is a complete pain. Kenny says: Monday, September 28, 2009 at 2:48 pm Is a 2d chart a XY chart?

Also, the back-transform for the mean would be (10^0.061)* -1 = -0.15 [note the signs used for the exponent, and the answer; it's the same as how you figured to make THANK YOU!!!!! Is this an option?