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RE: select from a list

  • To: mathgroup at
  • Subject: [mg69494] RE: [mg69477] select from a list
  • From: "David Park" <djmp at>
  • Date: Thu, 14 Sep 2006 06:55:43 -0400 (EDT)


The structure of your data isn't entirely clear to me, but could you use
Select or Cases statement, in combination perhaps with Part? With Cases you
could use the

pattern -> rhs form to just the data you wanted for your plot.

David Park
djmp at

From: Steven Taracevicz [mailto:jk at]
To: mathgroup at


i want to evaluate/plot historical pricing data.

the lists have this form:

{B5----Y, {1947, 1, 7}, 236.1, 236.1, 236.1, 236.1, 0, 0}
i would like to select the first day of each year, and then the first day of
each month.
thanks for the help!

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