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Re: Histograms and Iterators - Beginner Question

  • To: mathgroup at smc.vnet.net
  • Subject: [mg98105] Re: Histograms and Iterators - Beginner Question
  • From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
  • Date: Mon, 30 Mar 2009 04:44:04 -0500 (EST)
  • References: <200903251045.FAA24619@smc.vnet.net> <gqia6j$ol5$1@smc.vnet.net>

Histogram[
 FinancialData["IBM", "Volume", {{2009, 3, 1}, {2009, 3, 20}},
  "Value"], BarOrigin -> Left]

Cheers -- Sjoerd

On Mar 27, 12:36 pm, Jon Rogers <jr... at mac.com> wrote:
> Thank you for the responses Raffy and Sjoerd.
>
> Sjoerd - Actually a histogram is what I am looking for. I have had no  
> problems generating the various other plots, but, a histogram of the  
> daily trading volume usually next to a plot of the daily closing  
> prices is a fairly standard financial chart. You are right that the  
> online documentation is excellent and I have been putting it to good  
> use. It does seem that there are a few gaps - but the FinanacialData  
> function seems to be fairly new so they haven't run through many of  
> the possible use scenarios yet.
>
> Raffy - What you suggested has gotten me one step closer, but it is  
> not exactly what I am trying to achieve. What you suggested produced a =
 
> chart with a range of volumes on the X-Axis and the number of days in  
> which those volumes occurred on the y-axis. What I would like is the  
> volume level on the y-axis and days (time) to run along the x-axis.
>
> Thanks for your assistance,
>
> Jon
>
> Begin forwarded message:
>
>
>
> > From: Raffy <ra... at mac.com>
> > Date: March 25, 2009 3:45:06 AM PDT
> > To: mathgr... at smc.vnet.net
> > Subject:  Re: Histograms and Iterators - Beginner Question
>
> > On Mar 24, 3:28 am, Jon Rogers <jr... at mac.com> 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:
>
> > Histogram[volume]
>



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