# [R] (no subject)

Kwesi Quagraine starskykwesi at gmail.com
Mon Jan 30 18:37:27 CET 2017

```Thanks for your suggestion. I am much grateful.

Kwesi

On Mon, Jan 30, 2017 at 4:23 PM, Robert Sherry <rsherry8 at comcast.net> wrote:

> Here is one thought. Assign each month a value of 0, 1 or 2. Then do a
> simple linear regression analysis where the value of the month
> is the independent variable. You can also do multiple linear regression
> with the value you assigned to the month plus the other factors that
> you believe are causing a change to your data. Time is the one that comes
> to my mind. You can do this with the standard R function lm.
>
> I hope this helps.
>
> Bob
>
>
> On 1/30/2017 9:11 AM, Kwesi Quagraine wrote:
>
>> Hello, I have a data with two variables nodes and index, I want to extract
>> 3 months seasons, with a shift of 1 month, that is, DJF, JFM, FMA etc to
>> OND. Was wondering how to go about it. Kindly find data sample below, data
>> is in csv format.
>> Any help will be appreciated.
>>
>> My data sample;
>>
>>        era...1.    Node_freq           MEI
>> 1   1980-01-01 -0.389855332  0.3394196488
>> 2 1980-02-01 -0.728019153  0.2483738232
>> 3 1980-03-01 -1.992457784  0.3516954904
>> 4 1980-04-01 0.222760284  0.5736836269
>> 5 1980-05-01 0.972601798 0.6289249144
>> 6 1980-06-01 0.570725954 0.5736836269
>> 7 1980-07-01 -0.977966324  0.4120517119
>> 8 1980-08-01 0.056128836 -0.0104418383
>> 9 1980-09-01 0.987304573 -0.0687520861
>> 10  1980-10-01  1.188242495 -0.1403611624
>> 11  1980-11-01  1.693037763 -0.0963727298
>> 12 1980-12-01 1.173539720 -0.2539126977
>> 13 1981-01-01 0.423698206 -0.6140040528
>> 14 1981-02-01 -2.208098481 -0.5209122536
>> 15 1981-03-01 -0.786830252 0.1133395650
>> 16 1981-04-01 -0.110502611  0.3302127675
>> 17 1981-05-01 -1.272021820 -0.1894645290
>> 18 1981-06-01 0.394292656 -0.3736021538
>> 19 1981-07-01 1.452892441 -0.4032687711
>> 20  1981-08-01  0.698150002 -0.4441882433
>> 21  1981-09-01  0.997106423 -0.1720737534
>> 22  1981-10-01  0.247264908 -0.2436828296
>> 23  1981-11-01  0.771663876 -0.3909929295
>> 24  1981-12-01 -0.316341458 -0.4943145967
>>
>> Regards,
>> ​Kwesi​
>>
>>
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--
Try not to become a man of success but rather a man of value-Albert Einstein

University of Cape Coast|College of Agriculture and Natural Sciences|Department
of Physics|
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