Sorry for all the "chatter". I think I'm done now...
Version #4:
tblcsv =: 4 : 0
t=.([: < ;._1 ',',]) ;._2 y-.'"/'
data=. |:}.t
for_k. (x e. 'dn')#i.$x do.
data=. (><&.>".'0',"1>k{data) k}data
end.
({.t),|:data
)
On Thu, Jan 12, 2012 at 12:05 PM, Tom Szczesny <[email protected]> wrote:
> Replacing the - with _ is not necessary.
> Version #2 only works because of a typo in the 3rd line =, instead
> of =.
> Version #3:
>
> tblcsv =: 4 : 0
> r=. y-.'"/'
> r=.([: < ;._1 ',',]) ;._2 r
> ttl=. {.r
> dat=. |:}.r
> for_j. (x e. 'dn')#i.$x do.
> dat=. (><&.>".'0',"1>j{dat) j}dat
> end.
> ttl,|:dat
> )
>
>
> On Thu, Jan 12, 2012 at 11:41 AM, Tom Szczesny <[email protected]> wrote:
>
>> The version I sent earlier appeared to work, but actually does not. This
>> version does:
>>
>> tblcsv =: 4 : 0
>> r=. y-.'"/'
>> r=, '_' ((r='-')#i.$r) } r
>> r=.([: < ;._1 ',',]) ;._2 r
>> ttl=. {.r
>> dat=. |:}.r
>> for_k. (x e. 'dn')#i.$x do.
>> dat=. (><&.>".'0',"1>k{dat) k}dat
>> end.
>> ttl,|:dat
>> )
>>
>> Thanks again to everyone for all the help.
>>
>> On Thu, Jan 12, 2012 at 8:59 AM, Tom Szczesny <[email protected]> wrote:
>>
>>> Thanks much.
>>> Since I create the csv files, I was able to take some shortcuts:
>>> 1) All " are spurious (no commas in columns containing comments)
>>> 2) - only occurs in negative numbers
>>> 3) / only occus in dates 2004/12/15 (remove the / and don't need
>>> getdate at all)
>>>
>>> This definition is working fine:
>>>
>>> tblcsv =: 4 : 0
>>> r=. y-.'"/'
>>> r=, '_' ((r='-')#i.$r) } r
>>> r=.([: < ;._1 ',',]) ;._2 r
>>> ttl=. {.r
>>> dat=. |:}.r
>>> for_i. (x e. 'dn')#i.$x do.
>>> dat=. (<"".>i{ dat) i} dat
>>> end.
>>> ttl,|:dat
>>> )
>>>
>>> For large files, the biggest time user might be the need to do transpose
>>> twice.
>>> tx=:'ssdndssnnnnnnnnnnnnndnns' tblcsv 1!:1 <'t.csv'
>>>
>>> On Thu, Jan 12, 2012 at 6:16 AM, R.E. Boss <[email protected]> wrote:
>>>
>>>> If you have a lot of dates, say >100k, getdate will be rather slow.
>>>> But since the nub of these dates probably will contain <10k dates, you
>>>> can
>>>> use nubindex http://www.jsoftware.com/help/dictionary/d221.htm
>>>> For that the following adverb will do (tested long time ago)
>>>>
>>>> nbind=:1 : '](i.!.0~ { u @:]) ~.'
>>>>
>>>>
>>>> R.E. Boss
>>>>
>>>>
>>>> > -----Oorspronkelijk bericht-----
>>>> > Van: [email protected] [mailto:general-
>>>> > [email protected]] Namens R.E. Boss
>>>> > Verzonden: woensdag 11 januari 2012 21:48
>>>> > Aan: 'General forum'
>>>> > Onderwerp: Re: [Jgeneral] Data from csv files
>>>> >
>>>> > require 'dates'
>>>> >
>>>> > 100 #. getdate'2012/01/12'
>>>> > 20120112
>>>> >
>>>> > I would transpose (|:) the matrix and then work a row at a time,
>>>> depending
>>>> > on the control vector.
>>>> > Recently I learned techniques to assign different verbs to different
>>>> items.
>>>> >
>>>> >
>>>> > R.E. Boss
>>>> >
>>>> >
>>>> > > -----Oorspronkelijk bericht-----
>>>> > > Van: [email protected] [mailto:general-
>>>> > > [email protected]] Namens Tom Szczesny
>>>> > > Verzonden: woensdag 11 januari 2012 21:13
>>>> > > Aan: General forum
>>>> > > Onderwerp: Re: [Jgeneral] Data from csv files
>>>> > >
>>>> > > Thanks, that is very nice to know, but ...
>>>> > >
>>>> > > Since the csv files I need were created by me, I also know that
>>>> > > - the only occurrences of " are spuriously added.
>>>> > > - the only occurrences of - are in the representation of
>>>> negative
>>>> > > numbers, so I can define
>>>> > >
>>>> > > tblcsv=: 3 : 0
>>>> > > r=: (-.y='"')#y
>>>> > > r=: '_' ((r='-')#i.$r) } r
>>>> > > ([: < ;._1 ',',]) ;._2 r
>>>> > > )
>>>> > >
>>>> > > Next, I plan to figure out how to convert the columns with character
>>>> > > strings representing numbers into actual numbers,
>>>> > > and the columns with character strings representing dates (
>>>> 2012/01/12 )
>>>> > > into numbers representing dates ( 20120112 ),
>>>> > > where tblcsv becomes dyadic with a control vector like 'SDSSNDNSNS'
>>>> as
>>>> > the
>>>> > > left argument
>>>> > > indicating which columns are strings, dates & numbers.
>>>> > >
>>>> > > On Wed, Jan 11, 2012 at 2:27 PM, Ric Sherlock <[email protected]>
>>>> wrote:
>>>> > >
>>>> > > > Note that you don't need to define tblcsv explicitly:
>>>> > > > tblcsv=: ([: <;._1 ','&,);._2
>>>> > > > or
>>>> > > > tblcsv=: ([: <;._1 ',' , ]);._2
>>>> > > >
>>>> > > > On Thu, Jan 12, 2012 at 6:29 AM, Tom Szczesny <[email protected]>
>>>> > > wrote:
>>>> > > > > tested ...... works . ..... thanks!
>>>> > > > >
>>>> > > > > On Wed, Jan 11, 2012 at 12:23 PM, R.E. Boss <[email protected]
>>>> >
>>>> > wrote:
>>>> > > > >
>>>> > > > >> tblcsv =: 3 : 0
>>>> > > > >> ([: <;._1 ',',]) ;._2 y
>>>> > > > >> )
>>>> > > > >> (untested)
>>>> > > > >>
>>>> > > > >> R.E. Boss
>>>> > > > >>
>>>> > > > >>
>>>> > > > >> > -----Oorspronkelijk bericht-----
>>>> > > > >> > Van: [email protected] [mailto:general-
>>>> > > > >> > [email protected]] Namens Tom Szczesny
>>>> > > > >> > Verzonden: woensdag 11 januari 2012 17:55
>>>> > > > >> > Aan: General forum
>>>> > > > >> > Onderwerp: Re: [Jgeneral] Data from csv files
>>>> > > > >> >
>>>> > > > >> > Given
>>>> > > > >> >
>>>> > > > >> > cutc =: 3 : 0
>>>> > > > >> > < ;._1 ',',y
>>>> > > > >> > )
>>>> > > > >> >
>>>> > > > >> > tblcsv =: 3 : 0
>>>> > > > >> > cutc ;._2 y
>>>> > > > >> > )
>>>> > > > >> >
>>>> > > > >> > tblcsv 1!:1 <'test.csv'
>>>> > > > >> >
>>>> > > > >> > I assumed that I would be able to represent this as a single
>>>> > > > definition,
>>>> > > > >> > such as
>>>> > > > >> >
>>>> > > > >> > tblcsv =: 3 : 0
>>>> > > > >> > ( <;._1 ',',) ;._2 y
>>>> > > > >> > )
>>>> > > > >> >
>>>> > > > >> > or
>>>> > > > >> >
>>>> > > > >> > tblcsv =: 3 : 0
>>>> > > > >> > (( <;._1',',)&) ;._2 y
>>>> > > > >> > )
>>>> > > > >> >
>>>> > > > >> > I've tried several other vaiations, and all result in 'syntax
>>>> > error'.
>>>> > > > Am
>>>> > > > >> I
>>>> > > > >> > missing something, or does the verb applied to each 'cut'
>>>> interval
>>>> > > > need
>>>> > > > >> to
>>>> > > > >> > be defined separately?
>>>> > > > >> >
>>>> > > > >> > On Mon, Jan 9, 2012 at 5:00 PM, Arthur Anger <[email protected]>
>>>> > > wrote:
>>>> > > > >> >
>>>> > > > >> > > I often use Rank to select sub-arrays from an array:
>>>> > > > >> > > <"0 i. 7
>>>> > > > >> > > --Art
>>>> > > > >> > > ------------------
>>>> > > > >> > > Quoting [email protected]:
>>>> > > > >> > > . . .
>>>> > > > >> > > > Message: 2
>>>> > > > >> > > > Date: Mon, 9 Jan 2012 11:46:24 -0500
>>>> > > > >> > > > From: Tom Szczesny <[email protected]>
>>>> > > > >> > > > Subject: Re: [Jgeneral] Data from csv files
>>>> > > > >> > > > To: General forum <[email protected]>
>>>> > > > >> > > > Message-ID:
>>>> > > > >> > > > <CABn7SNYFw2gyAPKcjx1DMLEru97NMTst6zoGx=
>>>> > > > >> > > [email protected]>
>>>> > > > >> > > > Content-Type: text/plain; charset=ISO-8859-1
>>>> > > > >> > > >
>>>> > > > >> > > > As mentioned in the dictionary entry for cut:
>>>> > > > >> > > > the phrase u;._2 y applies the verb u to each
>>>> interval
>>>> > > > created
>>>> > > > >> by
>>>> > > > >> > > cut,
>>>> > > > >> > > > where the fret is the last item, and marks the ends of
>>>> the
>>>> > > > intervals.
>>>> > > > >> > > >
>>>> > > > >> > > > What is the notation for applying the "each" concept to a
>>>> verb
>>>> > > > >> > > independent
>>>> > > > >> > > > of cut ?
>>>> > > > >> > > > For example,
>>>> > > > >> > > > <i.7
>>>> > > > >> > > > +-------------+
>>>> > > > >> > > > |0 1 2 3 4 5 6|
>>>> > > > >> > > > +-------------+
>>>> > > > >> > > >
>>>> > > > >> > > > How do you express
>>>> > > > >> > > > < each i.7
>>>> > > > >> > > > and get 7 individually boxed items?
>>>> > > > >> > > > (I could not find an entry for "each" in the Index, nor
>>>> in
>>>> the
>>>> > > > >> > > Vocabulary.)
>>>> > > > >> > > . . .
>>>> > > > >> > > > End of General Digest, Vol 76, Issue 8
>>>> > > > >> > > > **************************************
>>>> > > > >> > >
>>>> > > > >> > >
>>>> > > >
>>>> ----------------------------------------------------------------------
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>>>> > > > >> > >
>>>> > > > >> >
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>>>
>>>
>>
>
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