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visits member for 1 year, 3 months
seen May 17 at 16:33
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May
13
comment Given a list of date and value pairs, efficiently sum the values by date
And for using a wrench to hammer the nail in ... Any idea where I went wrong with DownValues?
May
13
comment Given a list of date and value pairs, efficiently sum the values by date
Gather & GatherBy ... that is what I was missing.
May
13
revised Given a list of date and value pairs, efficiently sum the values by date
added 9 characters in body
May
13
asked Given a list of date and value pairs, efficiently sum the values by date
Feb
22
awarded  Yearling
May
23
accepted Add/replace a rule in a list of rules based upon the rule's lhs without regard for the rule's rhs
May
23
comment Add/replace a rule in a list of rules based upon the rule's lhs without regard for the rule's rhs
Thanks for pointing FilterRules that is what I have been looking. Would have been nice if FilterRules was in Rule's SEE ALSO section.
May
23
revised Add/replace a rule in a list of rules based upon the rule's lhs without regard for the rule's rhs
added 5 characters in body
May
23
asked Add/replace a rule in a list of rules based upon the rule's lhs without regard for the rule's rhs
May
14
comment Evaluating a function using arguments from a sliding window over a list
I have no problem with closing this one
May
11
comment Evaluating a function using arguments from a sliding window over a list
I concur (the part about being a duplicate question). A "subset", "sliding window over a list", or in Mathematica speak, a "sublist" are the same thing. Just did not show up in my query.
May
11
awarded  Critic
May
11
comment Evaluating a function using arguments from a sliding window over a list
While this works for the given example, it does not answer the question.
May
11
comment Evaluating a function using arguments from a sliding window over a list
Agreed! Sorry need to wait longer to assign check.
May
11
comment Evaluating a function using arguments from a sliding window over a list
AbsoluteTiming[Slide1[Mean, Range[1, 100000], 3]][[1]] ==> 3.487248 AbsoluteTiming[slide3[Mean, Range[1, 100000], 3]][[1]] ==> 0.119232 AbsoluteTiming[Developer`PartitionMap[Mean, Range[1, 100000], 3, 1]][[1]] ==> 0.088112
May
11
accepted Evaluating a function using arguments from a sliding window over a list
May
11
comment Evaluating a function using arguments from a sliding window over a list
Exactly, why not! ;) I was unaware of the the offset. Cool thanks!
May
11
asked Evaluating a function using arguments from a sliding window over a list
Apr
20
revised Determining the week of a year from a given date
added 1029 characters in body
Apr
20
revised Determining the week of a year from a given date
added 133 characters in body