I have created an excel spreadsheet that pulls data from the web, it works great. The only problem is that I can't tell if the data has changed over time. The website that I am pulling from doesn't track changes over time but it would be helpful for me. Is there a way to graph the data over time?
posted on Jul 11, 2008 - 5 answers

How do I format an entire data series for a chart in Illustrator CS3? [more inside]
posted on Apr 23, 2008 - 4 answers

How do I take a graph that looks like this and display it in a web friendly format? Oh, and there's 300,000 of them. [more inside]
posted on Apr 17, 2008 - 6 answers

Is there a finance website that can plot historical and current graphs of a stock price in a currency other than that of its local exchange, e.g. the stock price of IBM in USD multiplied by the (moving, not current!) EUR:USD exchange rate? If this is easy to do on Google or Yahoo Finance then I'm obviously missing something!
posted on Feb 11, 2008 - 3 answers

I need help putting some data in a pleasing graphical form. In short, it is a history of a particular industry, with all of the companies, their founders and where they came from. I would like to build some sort of corporate family tree like this famous one. Does anyone know any good tools for this?
posted on Dec 13, 2007 - 9 answers

What would cause web site traffic to rise and then hit a plateau for the middle of each day before falling again? [more inside]
posted on Nov 18, 2007 - 16 answers

I would like to make a bar graph that looks more like an drawing then a graph. Any ideas on software? [more inside]
posted on Jul 31, 2007 - 6 answers

Are there any free online tools for generating radar (aka radial, spider, star) graphs/charts? [more inside]
posted on Jul 27, 2007 - 1 answers

I need to spec out a huge, complex application in UML. I'm looking for good tools/techniques to do this in a fluid situation, where there are a ton of classes and new ones will be added all the time. [more inside]
posted on Jul 26, 2007 - 11 answers

Map geeks: can I generate a polygon shapefile from the outline of a large collection of points? There's more detail, of course. [more inside]
posted on Jun 26, 2007 - 17 answers

Are there any programs that allow one to draw graphs (plots/charts) using a visual interface? [more inside]
posted on Jun 20, 2007 - 4 answers

Math/CS majors: What algorithms are out there to do "approximate reductions for weighted graphs"? This is a term I made up, but basically I have a 200,000 node graph with weighted edges and I want to reduce it so I can see clusters and/or patterns. I know of SUBDUE, but it only works for unweighted graphs.
posted on Jun 15, 2007 - 8 answers

I need help graphically representing some data. [more inside]
posted on Jun 1, 2007 - 12 answers

Have you seen this trend/pattern/graph? The trend I'm looking for looks like a "checkmark". The x-axis is time. The y-axis can be related to rating/score/likeability/satisfaction (even toss me some goofy ideas). [more inside]
posted on Nov 21, 2006 - 5 answers

What is a good algorithm for generating smooth curves from discrete points? [more inside]
posted on Nov 9, 2006 - 8 answers

What's a creative way to graphically visualize user-rating vs time, taking # of ratings into account? [more inside]
posted on Oct 14, 2006 - 3 answers

I'm trying to track down a graph I once saw in a book - pretty sure it was an evolutionary psychology book - that compared the ratio of number of mates/sexual partners with either brain or body size among primates. Humans fell somewhere in the middle, at about 2.5 mates each (i.e. an argument about how "natural" monogamy is to our species.) Any ideas?
posted on Oct 3, 2006 - 10 answers

I have a 10 FPS video, and a set of numerical data for every frame in the video. How can I pair up each frame with its set of data in MATLAB?
posted on Jul 24, 2006 - 3 answers

What shareware/web app can I use to make clean, pretty graphs? [more inside]
posted on Jul 18, 2006 - 10 answers

Graph editor: I'm looking for a graph editor I can use to create print quality graphs (the node/edge kind, not the excel kind). Requirements inside. [more inside]
posted on Jul 8, 2006 - 10 answers

Excel 2003 graph woes. My friend is looking to make a simple x:Date; y:Value chart but with one problem. [more inside]
posted on Jun 22, 2006 - 6 answers

Let's say I want to make a chart that's like an excel bubble chart, but I don't want the size of the bubble to vary depending on a third variable. Instead, I want the width of each bubble to vary by some amount, and the height of each bubble to vary by a different amount. [more inside]
posted on May 15, 2006 - 2 answers

Are there any good tools out there for analyzing binary sensor data? I would like to create something like a timeline of data. [more inside]
posted on Apr 24, 2006 - 7 answers

Help me re-find a site that shows a dynamic graph of similar artists... [more inside]
posted on Apr 14, 2006 - 6 answers

How can I better present my information than a bar graph with both very tall and very small bars? [more inside]
posted on Apr 1, 2006 - 12 answers

Say I have 5 points: a,b,c,d,e. I know the position of each one at t=0: pa₀,pb₀ etc. Now say that at t=1, the distance between each one changes, so I know Dab₁,Dac₁...Dde₁. Is there an equation or algorithm which will allow me to know (or aproximate) the positions at t=1 : pa₁...pe₁? [more inside]
posted on Mar 23, 2006 - 33 answers

Graph theory seems hot right now. Don't know much about it, though. If one wanted to learn some of the most practical, useable, and interesting results from the field where would one turn? Bonus points for applicability in social sciences and/or web apps. And, tangentially, if one was potentially interested in focusing on graph theory and the social sciences, where would one look at grad school? [more inside]
posted on Jan 26, 2006 - 12 answers

How can I make graphs like the ones found in the Google Zeitgeist? [more inside]
posted on Dec 30, 2005 - 20 answers