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Pearsons R

  • 19-12-2010 10:33pm
    #1
    cagefan
    Registered Users, Registered Users 2 Posts: 129 ✭✭


    Hi,

    would really appreciate if someone could help me with this.

    I am trying to calculate r for each month:

    x y
    Month NCEP 61-90 obs 61-90
    January 6.849705914 6.854086022
    February 7.21892196 7.22325856
    March 9.406216989 9.400645161
    April 11.8399245 11.83566667
    May 14.68236522 14.68032258
    June 17.53011556 17.51633333
    July 19.00742952 19.01010753
    August 18.64108844 18.63526882
    September 16.39956122 16.41344444
    October 13.23048823 13.24516129
    November 9.175475389 9.183111111
    December 7.597997688 7.601397849

    Unfortunately I just cant figure out how to do it on a monthly basis, the equations I am using seem to only be for a total figure.

    Thanks,


Comments

  • #2
    cagefan
    Registered Users, Registered Users 2 Posts: 129 ✭✭cagefan


    cant really get data to display right but am just looking to be pointed in the right direction!


  • #3
    MathsManiac
    Registered Users, Registered Users 2 Posts: 1,595 ✭✭✭MathsManiac


    If you're talking about the correlation coefficient, then there is only one for the whole data set. It doesn't make sense to refer to one "for each month". The correlation coefficient measures the extent to which there is a linear relationship between the data in the second column and the data in the first column.

    Your question indicates that you haven't really grasped the concept. Have you got notes or a book you can refer to?


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