Re: [R] Improving data processing efficiency

From: Patrick Burns <pburns_at_pburns.seanet.com>
Date: Fri, 06 Jun 2008 19:58:05 +0100

My guess is that number 2 is closest to the mark. Typing too fast is unfortunately not one of my habitual attributes.

Gabor Grothendieck wrote:

> On Fri, Jun 6, 2008 at 2:28 PM, Greg Snow <Greg.Snow_at_imail.org> wrote:
>   

>>> -----Original Message-----
>>> From: r-help-bounces_at_r-project.org
>>> [mailto:r-help-bounces_at_r-project.org] On Behalf Of Patrick Burns
>>> Sent: Friday, June 06, 2008 12:04 PM
>>> To: Daniel Folkinshteyn
>>> Cc: r-help_at_r-project.org
>>> Subject: Re: [R] Improving data processing efficiency
>>>
>>> That is going to be situation dependent, but if you have a
>>> reasonable upper bound, then that will be much easier and not
>>> far from optimal.
>>>
>>> If you pick the possibly too small route, then increasing the
>>> size in largish junks is much better than adding a row at a time.
>>>
>> Pat,
>>
>> I am unfamiliar with the use of the word "junk" as a unit of measure for data objects.  I figure there are a few different possibilities:
>>
>> 1. You are using the term intentionally meaning that you suggest he increases the size in terms of old cars and broken pianos rather than used up pens and broken pencils.
>>
>> 2. This was a Freudian slip based on your opinion of some datasets you have seen.
>>
>> 3. Somewhere between your mind and the final product "jumps/chunks" became "junks" (possibly a microsoft "correction", or just typing too fast combined with number 2).
>>
>> 4. "junks" is an official measure of data/object size that I need to learn more about (the history of the term possibly being related to 2 and 3 above).
>>
>>     
>
> 5. Chinese sailing vessel.
> http://en.wikipedia.org/wiki/Junk_(ship)
>
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