Histograms and Iterators - Beginner Question

*To*: mathgroup at smc.vnet.net*Subject*: [mg97853] Histograms and Iterators - Beginner Question*From*: Jon Rogers <jroge at mac.com>*Date*: Tue, 24 Mar 2009 05:28:44 -0500 (EST)

Hello everyone: I am a new Mathematica user and have been teaching myself the program using real-world examples and reverse-engineering the code. This approach has worked well for the last few months since I began, but I have run into a roadblock and was hoping someone will help me out. I am currently trying to import financial data and generate a histogram of the daily volume for a given security. Ultimately I am going to make this into a sparkline (very useful in my work). Use of the options to create the sparkline is clear. Where I am getting stuck is the importing and formatting of the data. I think setting up the iterators is my problem, but I have tried about every option and have not found the answer yet. I have been using the default examples in the online documentation of IBM and March 1, 2004. Here are a few of the approaches I have tried: Histogram[Table[FinancialData["IBM","Volume"],{"March 1,2004"}]] Histogram[Table[FinancialData["IBM","Volume",i],{i,"March 1,2004"}]] Histogram[Table[FinancialData["IBM","Volume",i],{i,"March 1,2004","March 20,2009"}]] Any suggestions, Thanks, Jon