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MathGroup Archive 1998

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Need help with time series

I'm using ver. 3.0 for students and I have the following problem:

I want to analyze time series ( stock prices ) stored in ascii format.
The data look like:

  date      open     high       low       close   volume


and the dataset has at least 500 rows.

1) How can I access each component individually to use smoothing
techniques or indicators?

2) If I'm updating my data everyday, how could I use a 10-day lookback
period consistent with my new data?

If someone has a clue about that please let me know ideally by email:

Thanks a lot

Martin S
University of Montreal, Canada

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