A=: 0 : 0
aaa bb cccc dd e
1111 22 33333 444 55555 6 7 8
)
($ $ -.&a:)"1 cut;._2 A
+----+--+-----+---+-----+---+--+----+
|aaa |bb|cccc |dd |e |aaa|bb|cccc|
+----+--+-----+---+-----+---+--+----+
|1111|22|33333|444|55555|6 |7 |8 |
+----+--+-----+---+-----+---+--+----+
--- Yuvaraj Athur Raghuvir <[EMAIL PROTECTED]> wrote:
> This is regarding reading and working with data from files.
> (if text garbled, view it in Courier New font)
>
> 1) Input file:
> aaa bb cccc dd e
> 1111 22 33333 444 55555 6 7 8
>
> 2) Read input as an array of values.
>
> data =: cut"1 'm' freads y NB. y is the fully qualified file name
>
> data
> +----+--+-----+---+-----+-+-+-+
> |aaa |bb|cccc |dd |e | | | |
> +----+--+-----+---+-----+-+-+-+
> |1111|22|33333|444|55555|6|7|8|
> +----+--+-----+---+-----+-+-+-+
>
> 3) Now, pad the matrix in a way similar to $ operator for each dimention.
> So, end result should look like:
> +----+--+-----+---+-----+----+----+-----+
> |aaa |bb|cccc |dd |e | aaa| bb |cccc |
> +----+--+-----+---+-----+----+----+-----+
> |1111|22|33333|444|55555|6 |7 |8 |
> +----+--+-----+---+-----+----+----+-----+
> Here is where I am not clear what is happening....
> Attempt 1:
>
> row =: 0 { $ data
>
> col =: 1 { $ data
>
>
> NB. removes empty words
>
> NB. --->>> something goes wrong here...
>
> trim =: cut @: dltb @: , @: >
>
> NB. expands the list to the right size
>
> pad =: 4 : '(1,x)$trim y'
>
> datax =:,. col pad"0 1 data NB. Creates the catalog
>
> datax
> +----+--+--------+------+---+--+------+--+
> |aaa |bb|ccccdd |e |aaa|bb|ccccdd|e |
> +----+--+--------+------+---+--+------+--+
> |1111|22|33333444|555556|7 |8 |1111 |22|
> +----+--+--------+------+---+--+------+--+
>
> As visible in the output, the 'dd' got stuck to the 'cccc' reducing the
> number of data points.
>
> Similarly between the 3's & 4's and 5's & 6's.
>
> Maybe this is a naive (and buggy!) way of working with data.
>
> Any suggestions?
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