Graphs, charts and other graphical methods for showing data and their relationships.

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1answer
134 views

Trouble Making a Graph in Excel

I have two columns of data: Time Taken: 00:00:42.1093750, 00:00:09.5468750, 00:00:47.2656250, 00:01:27.6718750 Start Time: 21:02:27, 21:33:16, 22:03:27, 22:34:19 I want to make a cluster graph ...
3
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1answer
736 views

Excel 2007 Chart - Super Simple Chart what am I doing wrong?

I have two columns. The first column begins with "Year" followed by well years (1999, 2000, 2001, etc.). The second column has a title of "Revenue" and is contains revenue values ($12.1M, $13.2M, ...
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1answer
56 views

low-latency charting?

Need to deliver real-time charts (mostly bar and line charts) and wondering if a fast library can help. I guess that C is mandatory for speed and I would favor frame-buffer drawing (rather than a ...
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2answers
1k views

Excel: ROUND() to the next unit of 5?

I'm creating a lot of graphs, so I'm making a common scale to be able to compare them using MAX/MIN values that I'm hiding in the graph as a separate series. My Vertical AXIS (Y) is in units of 5. ...
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1answer
674 views

Excel graphs: MIN/MAX axis scaling isn't working correctly

I have lots of graphs which I need to compare against each other. Therefore, I need a common scaling along the vertical (Y) axis. I'm encountering problems when pasting in my MIN/MAX series, and then ...
2
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1answer
2k views

Excel graphs: How do I apply a graph template format?

I've created a format that I like. I now need to apply this format to over 900 graphs! I've seen we can save a format as a template for future use, however, I can't find the place where I have the ...
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5answers
8k views

Extract a graph legend and place it on the worksheet itself?

I have 8 graphs all with the same legend (line colours and meaning), so in order to save space I would like to remove the legend from each graph and create/include just one large one at the top of the ...
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2answers
224 views

What software created this graph?

Can anyone recognize what software could have been used to create a graph like this? I'm looking for something that could produce the same type of arrows.
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2answers
4k views

Excel: Pie Chart of a Question with Limited Possible Responses

I distributed a survey online and received the answers in an Excel spreadsheet. I would like to make a pie chart out of some of the closed option answers. For example, one of the questions was gender. ...
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1answer
256 views

Pie Chart in Excel

I tried to google this but no luck. It is easy to add a pie chart when you have prcentace data but what if you just have a list of partially repeated data? For simplicity imagine there is a table in ...
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0answers
385 views

How to plot this in iwork-numbers

I have an array of data like this 0,1 0,56 0,4 0,57 0,6 0,006 0,34 0,46 ... I have another array of data that classifies the data above in categories like this: from 0,1 to 0,5 category A from ...
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1answer
529 views

Is there a program to calculate fibonacci charts and their continuations?

I'd need a program able to take data and plot a trend graph, and it should be able to continue it to see the future trend. I've found some commercial programs but none work. Is there a free one? I ...
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2answers
11k views

Excel bar chart - how to make axis as time scale

My data has column 1 = date (date format), column 2 = quantity (number format). The data looks like: date qty 1/3/2010 5 2/3/2010 2 2/4/2010 3 2/9/2010 1 4/13/2010 5 5/31/2010 5 ...
2
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1answer
641 views

Plotting the volume of an audio file

Most applications that play sound display its volume graphically. I need that information (the sound volume as it changes over time) written to a text file so I can plot it myself and use it for ...
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1answer
440 views

How can I turn data below in to a 'time based' graph

In my spreadsheet I am collecting time periods when certain values have been changed. The user is restricted to 4 time periods. I would like to show the data based on those time periods. I've ...
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2answers
1k views

Excel 2007 Pivot Tables: Overlapping issue hampers my summary sheet

I've created a Workbook that has 5 Pivot Tables (PT). I want to make a summary sheet that holds all these PT's, but when they expand the 'not allowed to overlap issue' causes me updating problems - ...
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1answer
656 views

Graph plotting software that includes the min() and max() functions

I am looking for online or offline software that can plot functions that include min() and max(). Neither of my favourites, Wolfram Alpha and fooplot seem to have these functions built in :-(
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1answer
1k views

Timeline chart in Excel

I'd like to see a timeline of events from a database in a "timeline chart", that should look like this: I've made me a small c# program that paints this onto a Bitmap, but that isn't the way to ...
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2answers
865 views

How to get scrolling plot in Linux (using command-line tools)?

Supposing I have a program that prints lines with data periodically, how can I turn then info them into graphical plot that updates itself each time new line available? $ ./prog 10 44 20 66 30 55 40 ...
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1answer
8k views

How to plot survey results on Excel?

I would like to plot the average of these data samples: 1. Contribution to the project 2. Affiliation with project owners 3. Level of expertise 4. Learning Curve Yes No 3 2 No No 3 2 No ...
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3answers
70k views

how to add an average line to the graph in excel 2007 or 2010

In OpenOffice I'm getting trend-line and average-line properties by RightClick. But in Excel 2007 I see only trend-line. Same with Excel 2010. How do you make an average-line in Excel?
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2answers
504 views

Apart from visually inspecting the graph, is there a way of calculating when a trend line will cross another series?

Is there a way to find the point of intersection of a trend line and another series on a chart in Excel? The other series may be another trend line or just the interpolated line drawn by Excel.
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1answer
5k views

Excel - add target line to stacked bar chart

I've got a stacked bar chart. I'm displaying a set of floating bars to represent hi/low ranges for some metrics, by using a transparent fill on the bottom section of the bar I achieve the desired ...
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3answers
3k views

Relative Gantt in MS project?

Is there a way to create a relative Gantt in MS project, that is a Gantt that doesn't have a defined start date, just amount of time required for each task?
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1answer
114 views

Customising error bars

I've been told I have to have custom error bars for an assignment I have to hand in. Okay, I have a scatter graph with twelve points, and the error for each one is different. It's the same plus and ...
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3answers
719 views

Fourier transform software [closed]

After spending a lot of time searching for this, I thought that some Super User gurus might know the answer. I'm searching for an open source application to compute a FFT, that could: Import a ...
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4answers
12k views

Is there a graph paper like drawing software?

I have a college assignment, where I have to draw diagrams of voronoi, delaunay, minimum spanning tree etc for the college. I want to do that in computer. I searched in google with no luck. Is there ...
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2answers
8k views

Why can't I add a trendline to a chart in Excel 2007?

I created a really simple chart based on 2 columns (date and numeric value). I click on the chart, go to Chart Tools/Layout. The Trendline drop down is greyed out. What am I missing?
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2answers
6k views

Graphing mean and standard deviation

I have measurements for multiple devices, and have their mean and sd values. I would like to produce a chart that would show these values, and I think the best would be if I could have something that ...
6
votes
3answers
14k views

Excel chart on one column of date/times

I have a list of date/timestamps, and I would like to plot these to a chart in Excel. What I'm looking for is a chart that shows "events per hour" or something similar. Can this be done easily if I ...
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1answer
413 views

Free software to plot cartograms

Is there any free software to plot cartograms?
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1answer
13k views

Prevent Excel from resizing graphs

When a row or column is inserted around a graph in Excel, Excel automatically resizes (expands) the graph. This corrupts the dimensions I determine for a specific graph. How can I prevent Excel from ...
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1answer
19k views

Finding X on Excel scatter plot/trend line

If I have some data in an scatter plot in Excel, e.g. X Y 1 10 2 20 3 30 4 40 5 50 and I want to find the Y value for X = 10, or X=3.5, or whatever (obviously this is a simplified example) I've ...
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2answers
505 views

Best software to build charts (pies, bars) [closed]

I am somewhat disappointed with Excel charts and short of building my own with a vector graphics too, is there something really awesome for charts?
2
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4answers
5k views

How to make bar graph shorter for higher numbers?

I would like to inverse the bar graph in a way that the lower the number, the higher the bargraph should be. Currently in the picture below, those items ranked 200 have the highest bar height while ...
2
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1answer
8k views

Create two axis stacked columns chart in Excel

The data I'd like to chart is like this: 2000 2001 2002 A x x x B x x x C x x x D x ...
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2answers
59 views

Is there a web site that allows you to draw an ascii chart with boxes and arrows easily?

Ascii drawings and charts are a useful way of documenting software and can be included directly in source files near the code they document. I'm looking for an online tool to draw them and be able to ...
3
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1answer
10k views

How do I divide one column in gnuplot?

I have gnuplot data file. I would like to plot it, but divide every value in the x-axis by n. Can I do this from within gnuplot, or do I have to rewrite the data file?
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1answer
610 views

Excel 2003 charts not looking right in 2007

I'm not exactly sure this goes here but I don't know where else to look for help. I have some Excel files containing charts made with Excel 2003. When I open the file in Excel 2007 and save it (non ...
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7answers
4k views

How to easily plot graph, using (preferably) free software?

I need to plot a graph, given some data, where on X axis will be names of data and on Y axis those data, and it will be given by a table, and it will be line graph with the data connected. If there ...
3
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5answers
338 views

Any good 'how to…' resources out there? [closed]

Does any one have any good resources - websites or books, when it comes to creating (mastering) simple to complicated graphs or charts? I've reached the point where I need to do more than tables. ...
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4answers
6k views

My pivot chart has the wrong Y axis values but correct data point values

I created a pivot chart based on some raw data for the x axis (dates) and 4 calculated fields for the Y values. The values on resulting lines are correct (see the data label at the end of the line) ...
4
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4answers
6k views

How to create diagram in spreadsheet with dates on x-axis?

I recently became a father to twin boys. Naturally there is a lot of weighing and measuring, and we record these numbers in a spreadsheet. I use OpenOffice.org Calc (but I'm open to solutions for ...
5
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2answers
9k views

Program for reading data off scanned graphs [closed]

I know such thing exists, cause I used it somewhat long ago ... problem being I cannot remember what it's called. I have some graphs from which I need to read off points (numeric values). The graphs ...
3
votes
4answers
10k views

Excel chart, how to make a formula produce gaps?

I have a chart in Excel 2007 that is basically just a line graph. Some cells that make up the series data cannot produce a value through their formula, and I'd like the chart to place a gap in that ...
0
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1answer
400 views

Cacti displaying graph text as blocks

(Image now irrelevant, it is grabbing the newest graph from my server.. I did not archive a picture of it when it was broken. Instead of text, each character was represented by a block.) I had not ...
0
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4answers
8k views

Set automatic axis limits for bar chart without defaulting to zero

I am building a bar chart in Excel with data values ranging from, e.g., 10 to 20. I want the x-axis limits to be automatic, but although the right limit (near 20) works correctly, the left limit ...
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6answers
25k views

When embedding an Excel chart on a PowerPoint slide, why does the text look awful?

I have a recurring problem with Excel 2003/PowerPoint 2003, where I have a nice-looking chart in Excel and try to embed it on a PowerPoint slide. Quite often, the text in the chart (labels, axis ...
5
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7answers
49k views

Map one column to x axis second to y axis in excel chart

I'm getting my ass kicked trying to plot simple data into a simple chart in excel (2010 beta). My data is a very simple one: Value Year ----- ---- 1 1900 5 1902 3 1912 ...
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3answers
4k views

Graphical GUI for Graphviz on Mac?

I installed the Graphviz GUI from pixelglow.com, but it appears to only be a viewer for .dot Graphviz files. I am looking for a graphical editor, where I can create diagrams by pointing and ...