On Thu, Jul 16, 2015 at 1:00 PM, John McKown <john.archie.mck...@gmail.com>
wrote:
> On Thu, Jul 16, 2015 at 12:40 PM, tryingtolearn <inshi...@ymail.com>
> wrote:
>
>> Say I have a list:
>> [[1]] "I like google"
>> [[2]] "Hi Google google"
>> [[3]] "what's up"
>>
>> and they are tweets. And I want to find out how many tweets mention google
>> (the answer should be 2).
>> If I string split and unlist them, then I would get the answer of 3. How
>> do
>> I make sure I get just 2?
>>
>
> NROW(grep("google",list,ignore.case=TRUE))
>
Or
sum(grepl("google",x,ignore.case=TRUE))
--
Schrodinger's backup: The condition of any backup is unknown until a
restore is attempted.
Yoda of Borg, we are. Futile, resistance is, yes. Assimilated, you will be.
He's about as useful as a wax frying pan.
10 to the 12th power microphones = 1 Megaphone
Maranatha! <><
John McKown
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