[R] Removing words and initials with tm
Sun Shine
phaedrusv at gmail.com
Fri Apr 10 15:42:53 CEST 2015
Thanks Jeff.
I'll add that to the ever-growing list my current studies are generating
daily. :-)
Cheers
S
On 10/04/15 14:32, Jeff Newmiller wrote:
> "I suspect that it might have something to do with regular expressions, but to be honest, I'm (currently) pretty crap with those."
>
> I cannot think of a better incentive to take action on this hole in your education and buckle down to learn regular expressions. There are many books and tutorials available.
> ---------------------------------------------------------------------------
> Jeff Newmiller The ..... ..... Go Live...
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> Sent from my phone. Please excuse my brevity.
>
> On April 10, 2015 3:19:51 AM PDT, Sun Shine <phaedrusv at gmail.com> wrote:
>> Hi list
>>
>> Using the tm package, part of the pre-processing work is to remove
>> words, etc. from the corpus.
>>
>> I wish to remove people's names and also their initials which are
>> peppered throughout the corpus. But, because some people's initials are
>>
>> the same as parts of common words - e.g. 'am' = 'became' => 'bec e' or
>> 'ec' = 'because' => 'b ause' or 'ar' = 'arrival' => 'rival' (which has
>> a
>> completely different meaning).
>>
>> Is there any way of doing this without leaving a trail of nonsense
>> half-terms behind? I suspect that it might have something to do with
>> regular expressions, but to be honest, I'm (currently) pretty crap with
>>
>> those.
>>
>> Would it make a difference if I removed initials and names *prior* to
>> converting all text to lower case, so I remove 'AM' and because
>> 'became'
>> is lower case, it should remain unaffected?
>>
>> Any recommendations on how best to proceed with this?
>>
>> Thanks as always.
>> Sun
>>
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