...@gmail.com
To: Bogaso Christofer bogaso.christo...@gmail.com
Cc: r-help@r-project.org
Subject: Re: [R] Need help on date calculation
Message-ID:
aanlktimp7z4hhwn-qabdmeeigiyfn0um_aymsn5dx...@mail.gmail.com
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On Sat, Jul 10, 2010 at 3:34 PM, Bogaso
Hi all, please see my code:
library(zoo)
a - as.yearmon(March-2010, %B-%Y)
b - as.yearmon(May-2010, %B-%Y)
nn - (b-a)*12 # number of months in between them
nn
[1] 2
as.integer(nn)
[1] 1
What is the correct way to find the number of months between a and b,
still retaining
On Sat, Jul 10, 2010 at 3:17 PM, Bogaso Christofer
bogaso.christo...@gmail.com wrote:
Hi all, please see my code:
library(zoo)
a - as.yearmon(March-2010, %B-%Y)
b - as.yearmon(May-2010, %B-%Y)
nn - (b-a)*12 # number of months in between them
nn
[1] 2
as.integer(nn)
[1] 1
On Sat, Jul 10, 2010 at 3:07 PM, Gabor Grothendieck
ggrothendi...@gmail.com wrote:
On Sat, Jul 10, 2010 at 3:17 PM, Bogaso Christofer
bogaso.christo...@gmail.com wrote:
Hi all, please see my code:
library(zoo)
a - as.yearmon(March-2010, %B-%Y)
b - as.yearmon(May-2010, %B-%Y)
nn -
Thanks Gabor for your input. However my question is, is your solution
general for any value of a and b?
-Original Message-
From: Gabor Grothendieck [mailto:ggrothendi...@gmail.com]
Sent: 11 July 2010 00:42
To: Bogaso Christofer
Cc: r-help@r-project.org
Subject: Re: [R] Need help on date
On Jul 10, 2010, at 3:17 PM, Bogaso Christofer wrote:
Hi all, please see my code:
library(zoo)
a - as.yearmon(March-2010, %B-%Y)
b - as.yearmon(May-2010, %B-%Y)
nn - (b-a)*12 # number of months in between them
nn
[1] 2
as.integer(nn)
[1] 1
What is the correct way to find the
On Sat, Jul 10, 2010 at 3:34 PM, Bogaso Christofer
bogaso.christo...@gmail.com wrote:
Thanks Gabor for your input. However my question is, is your solution
general for any value of a and b?
#1 and #2 are general.
For #3 I think there is a possibility you might in general have to do
the same
On Sat, Jul 10, 2010 at 3:17 PM, Gabor Grothendieck
ggrothendi...@gmail.com wrote:
On Sat, Jul 10, 2010 at 3:34 PM, Bogaso Christofer
bogaso.christo...@gmail.com wrote:
Thanks Gabor for your input. However my question is, is your solution
general for any value of a and b?
#1 and #2 are
This mail is continuation of my previous one. i have some raw data from
Excel which was carried to R:
data = read.delim(file=clipboard, header=T)
data
Date Price
1 09/01/05 365
2 09/02/05 360
3 09/03/05 360
4 09/05/05 370
5 09/06/05 370
6 09/08/05 365
7 09/09/05 365
8
If you are interested in regular expressions you may also be
interested in a solution using the gsubfn package. Here x
is the input character string, re is Jeffrey's regular expression
and strapply applies the regular expression to x calling the function
which is represented in formula notation
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