Message-ID: <CAE9A0FD.7CE77%macqueen1@llnl.gov>
Date: 2011-11-17T01:22:13Z
From: MacQueen, Don
Subject: Interpolating hourly basis
In-Reply-To: <1321451813.43301.YahooMailNeo@web125417.mail.ne1.yahoo.com>
One option would be, after you have converted one of your date/time
variables (V2 I would assume) to POSIXct class, you can use the interp()
function in the akima package for linear interpolation between adjacent
time points.
-Don
--
Don MacQueen
Lawrence Livermore National Laboratory
7000 East Ave., L-627
Livermore, CA 94550
925-423-1062
On 11/16/11 5:56 AM, "abcdef ghijk" <linehunk at yahoo.com> wrote:
>I have a huge data set in the form of
> V1 V2 V3 V4 V5 V6
>1 201005010000201005010000 1.68291.38 1 0
>2 201005010000201005010300 0.93335.10 1 0
>3 201005010000201005010600 2.25 57.38 1 0
>4 201005010000201005010900 0.43 13.76 1 0
>5 201005010000201005011200 0.74101.14 1 0
>
>I am interested in interpolating it on an hour basis(it's for avery 3
>hours). Data is also being updated after every six hours for next eight
>days.
>Thanks in advance.
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