Individual error bars in charts
I can't figure out how to put individual errors bars in a bar chart. That is, a different amount of error on each bar. It can be done in Numbers by putting a range in the 'custom' option, but 'custom' is not selectable on my version of Keynote 09. I know i could just copy a Numbers bar chart and paste it into Keynote, but i'd prefer to do it directly in Keynote.
Anyone know how to do it?
In the Chart Inspector, click on the Series tab. Then click on the triangle next to Advanced at the bottom. That will reveal tabs to set trendlines and error bars.
Edit: OK, Just reread your post and I see that you're looking for a way to set conditional error bars that depend on each bar's value, correct? If so, I don't see any way to do that - the custom setting is not available.
Message was edited by: Waveman
Similar Messages
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Hello everyone- Would anyone know how to create error bars in charts in Keynote 3? I can't seem to find an answer anywhere to this question. Many thanks to future replies...
Powerbook G4 Mac OS X (10.4.6)You can't get Keynote charts to generate error bars, or to use error bar information from some other source -- that functionality just isn't available in natively-produced Keynote charts.
However, charts that are copied from Excel and pasted into Keynote look quite good. You won't get all the cool textures, or 3D effects that you can with Keynote charts (and not having the latter is a good thing in my book). But, if you set the background of the chart to "None" from within Excel, the chart background will be transparent in Keynote, and you can do things like apply shadows that will conform to the chart elements. Any formatting that you do in Excel should be respected by Keynote. -
I would like to know if anyone has used std. error bars (as
in statistics) in column or bar charts and how that was
accomplished. I didn't see anything about it in the flex
docs.Frustrating that these aren't included by default, isn't
it...
I'm sure the questioner long since has solved his problem or
given up, but since I've been unable to find any solutions myself
and have had to reinvent the wheel, I'll try and point anyone else
looking in the right direction.
One way to do it is to create your own IDataRenderer (or
extend or facade an existing one). You'll want to make sure you're
passing a standard deviation as part of your series data and then
in the updateDisplayList method draw it yourself, grabbing the
deviation from the data.item. You'll need to scale it
appropriately... for instance, extend CircleItemRenderer and add an
updateDisplayList along the lines of:
override protected function
updateDisplayList(unscaledWidth:Number,
unscaledHeight:Number):void
super.updateDisplayList(unscaledWidth, unscaledHeight);
if (data.hasOwnProperty('item') &&
data.item.hasOwnProperty('deviation')) {
// figure out the scale (I'm certain there must be a more
appropriate way to do this)
var scale:Number = data.y / data.item.value;
var deviation:Number = data.item.deviation as Number;
var g:Graphics = graphics;
var stroke:IStroke= new
Stroke(0,1,1,false,'normal','square');
stroke.apply(g);
// figure out the center
var trueX:Number = unscaledWidth / 2 - .5; // otherwise
seems to be off to the side, for me
var trueY:Number = unscaledHeight / 2;
// draw the error bar
g.moveTo(trueX,-(deviation * scale) + trueY);
g.lineTo(trueX,(deviation * scale) + trueY);
g.moveTo(trueX, trueY);
// draw little T's on the end of the error bar
g.moveTo(trueX -2, -(deviation * scale) + trueY);
g.lineTo(trueX +2, -(deviation * scale) + trueY);
g.moveTo(trueX -2, (deviation * scale) + trueY);
g.lineTo(trueX +2, (deviation * scale) + trueY);
From there you should be able to futz with it to make it look
pretty.
Hope someone finds this helpful. -
Confidence interval error bars in charts
Hello, does anyone know how to put the error bars on a chart?
I can make a bar graph from my data but I need to add the error
bars based on the confidence intervals of my data. Is there a way
to do this? Can CFReport Builder do this?
Thank you.You can't get Keynote charts to generate error bars, or to use error bar information from some other source -- that functionality just isn't available in natively-produced Keynote charts.
However, charts that are copied from Excel and pasted into Keynote look quite good. You won't get all the cool textures, or 3D effects that you can with Keynote charts (and not having the latter is a good thing in my book). But, if you set the background of the chart to "None" from within Excel, the chart background will be transparent in Keynote, and you can do things like apply shadows that will conform to the chart elements. Any formatting that you do in Excel should be respected by Keynote. -
Does anybody know of a simple method to add error bars to the charts in Numbers or KeyNote. without error bars, graphs really do not tell us anything. The only way that I can see to add error bars is to draw them on manually, which is rather tedious. I know that this is not a full blown graphing package, but error bars seem to be an easy thing to implement. Is there some hidden feature that I cannot find.. please tell me so. If not, Apple team, please add this in the next release! This is such a useful feature.
DISGot about 500 hits when I searched for Error Bars in the Numbers topic. This was the first one:
http://discussions.apple.com/thread.jspa?messageID=5639404�
Welcome David. Search is your friend -
Does anyone know how to manually insert individual error bars in a bar chart in keynote? the custom option is greyed out in keynote and when I tried it in Numbers I could only use the same value for all the columns rather than specify for each.
CheersThanks for your reply; if this is the case then I must admit to being slightly disappointed. From looking at the Keynote tutorials I am aware that Keynote is not intended as an application through which to present scientific data, but because Apple usually include so many more useful features in their applications than Microsoft do (in my opinion), I thought they may have given us the option to add error bars to graphs and charts.
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I was desperately hoping that Apple would include the ability to add error bars to charts in this release. As a research faculty member, I simply cannot present data at conferences without having error bars on the graphs. It is a shame, because I have heard numerous others in the life sciences make the same complaint - we would love ot switch to using iWork completely, but the lack of error bars is a deal-breaker.
Anyone have a reasonable workaround? Right now I end up creating the graphs in Deltagraph or even Excel, and then exporting them as jpgs and using them, but it is not as fast or as good looking as if I could just do it in Keynote/Numbers.
Ideas?
FishI'm also an academic (social sciences), and I also was disappointed that there wasn't an option for error bars. I don't really blame Keynote for this--I have low expectations of presentation software creating good data visualizations--but--but I was assuming it would be in the new Numbers application, and with that the feature embedded in Keynote's charts.
At least Keynote does still do a nice job of taking in graphs from other applications. I just copy and paste (via export or screen grab) from JMP (or SPSS or Excel) and directly paste into a Keynote slide and go from there. -
I'm new to using iWork for my lab reports and today, while I was plotting a scatter chart, I had to put some error bars on the points in percentage form. The value for the x-axis was 0.5% and the value for they y-axis was 1.5%, and when I tried to input these, the only thing I got was the error sound and the error bars returning to 3% and 1% respectively. Anyone know why this is happening and how i might resolve this issue? Thank you in advance.
Angelos,
I'm sure that your eyes are sharper than mine. Still, if your error bar is shorter than the radius of your symbol, you aren't going to see it. The standard symbols are roughly 4mm in diameter, based on the Numbers Rulers. Let's say you have a 100 mm tall chart, an average graphic size. A 0.5% error bar would be a maximum of 0.5 mm in length, unless you suppress the axis zero, and would be hidden behind the 4 mm dia. data symbol. Yes, you could see a 3% or 4% error bar, but I'm not sure everyone would recognize that it was an error bar and not part of the data symbol.
Regards,
Jerry -
All:
Can anyone tell me if it's possible to add Y Error Bars to a chart in the Web Application Designer v3.5? I'm able to add a trendline to the data series, but do not see an option for error bars.
Thanks in advance...
KBDid you have get this issue resolved or answered?
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How to put std dev error bars in a chart
Page 141 of the Keynote User Guide states that error bars can be shown on plotted series data. Can anyone get this to work as expected with standard deviation bars for each plotted mean value? I spoke with an Apple Tech Rep today who supposedly knows Keynote well, but he could not get std dev error bars to display properly on a line chart.
Numbers has the same instructions as Keynote and seems to be designed to work the same way."Properly" means placing the error bars around the mean values for each data point in a series. In my case, the x-axis is time in minutes and the y-axis is concentration of a chemical.
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Linked charts: Error bars are not updated
Linked charts work well: Changed values for bar graph and line graph y values in Numbers are reflected in Keynote and Numbers after “updating”. However, I cannot get error bars to be updated as well. They just keep the values they had when I first paste a graph into Keynote or Pages.
Is this a bug, or am I missing something?It seems that you missed something.
In the Pages User Guide we may read:
*+Updating a Chart Copied from a Numbers Document+*
+If you’ve created a chart in Numbers, you can copy it and paste it into your Pages document. After it’s been pasted into Pages, the chart remains linked to the data tables it references in Numbers. To change the chart data, open the original Numbers document and edit the data there, save the Numbers document, and then refresh the chart data in Pages.+
+To update a chart after you’ve updated its linked Numbers table:+
+• Select the chart on the page and click the Refresh button that appears.+
+Note: You must save the Numbers document before copying and pasting your chart into your Pages document and after editing the Numbers data tables that the chart references.+
+page 220 Chapter 10 Creating Charts from Numerical Data+
Yvan KOENIG (from FRANCE lundi 12 janvier 2009 16:18:08) -
Cannot define error bars for individual bars, has to be whole series
I am trying to make a simple graph that plots the mean and a standard deviation. (see picture in the link) I want to assign an individual mean values for each bar (i am able to do this), and an individual standard deviation for each bar (I cannot do this).
If I set one bar's standard deviation (custom), it also assigns the SAME standard deviation value for every bar in that series (all the green bars get the same SD value, not just the first one). I have 4 bars that I want different standard deviations assigned to (2 greens and 2 yellow = 4 different means, 4 different SDs). The standard deviations are listed in the lower table.
I can't do this. This is a fatal flaw in the software, and again, forces me to use a different application. Please tell me I'm doing something wrong! I love Numbers!
Photo:
http://web.me.com/toddknutson/errorbars2.png
Please help if you can! Thanks!
ToddI solved my own problem!!
If you want to set different error bar values for every bar in your graph:
-choose custom error bars (positive and negative)
-then delete the placeholder value that apple provides (usually 10)
-highlight MULTIPLE values in a table (these are the values you wish to have as error bars)
-bingo!
See picture!
http://web.me.com/toddknutson/errorbars3.png -
I'm having a problem with inserting error bars into a graph. In the Series window I pull down the menu and select "standard error", but all my error bars are the same, no matter how many categories i have, or how variable the data are within each catergory. How do i get error bars to reflect the actual data from my spreadsheet? I've calculated the standard deviations and standard error and they are clearly different from what the graph indicates. I can't select my own standard deviation data and apply it to the chart?
Hi Jim,
I checked out your claim that the Standard Error bars don't change and I can't confirm it here. Everything seems normal. Here's my test with 20 data points, using a scatter plot for easier reading, but the result was the same...
And, here's the same function of randomized data with 53 points...
Same data with Standard Deviation...
All looks ok to me. It does require that you get the scale big enough to see the change in the error bars. I used a fixed scale for all three shots, and the data is =2+1.5*RAND().
Regards,
Jerry -
Error Bars - Can Error Bars be added to Crystal Report Charts
I am trying to add or create "error bars" in my cystral report chart (graph). I can add "error bars" in an Excel sheet chart (graph) but I cannot find the functionality in crystal reports.
Is it possible to "error bars" to a crystal report chart. If so, how?Hi,
I don't see that this functionality or this kind of chart exists in CR.
I would suggest that you log an Enhancement Request at http://ideas.sap.com and let our developers look into this.
-Abhilash -
Can crystal reports do Error bars like in excel charting?
Post Author: mecca
CA Forum: Charts and Graphs
Does anyone know if crystal repotrs xi can do error bars like in excel. I gave an example in my other post.Post Author: Dan3D
CA Forum: Charts and Graphs
If all else fails, this is easily solved with our CRChart replacement library (which does excellent error-bars).
-Dan @ 3D
DISCLAIMER: This product costs money. I work for the company that makes this product.
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