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Re: Histograms and Iterators - Beginner Question

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  • Subject: [mg97910] Re: Histograms and Iterators - Beginner Question
  • From: Raffy <raffy at>
  • Date: Wed, 25 Mar 2009 05:45:06 -0500 (EST)
  • References: <gqacki$j5e$>

On Mar 24, 3:28 am, Jon Rogers <jr... at> wrote:
> 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

To get the volume data:

volume = FinancialData["IBM", "Volume", {"Mar 1, 2004", "Mar 24,
2009"}, "Value"];

Then just plot it:


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