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- Newsgroups: comp.apps.spreadsheets
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!news.acns.nwu.edu!nwu.edu!r-mcdonald
- From: r-mcdonald@nwu.edu (Robert McDonald)
- Subject: Re: How do you find correlation coefficients in Excel?
- Message-ID: <r-mcdonald.15.0@nwu.edu>
- Keywords: Excel
- Lines: 36
- Sender: usenet@news.acns.nwu.edu (Usenet on news.acns)
- Nntp-Posting-Host: fin8344.kellogg.nwu.edu
- Organization: Northwestern University
- References: <102789@bu.edu>
- Date: Mon, 23 Nov 1992 15:01:58 GMT
-
- In article <102789@bu.edu> danger@acs.bu.edu (jaewon kwak) writes:
- >From: danger@acs.bu.edu (jaewon kwak)
- >Subject: How do you find correlation coefficients in Excel?
- >Keywords: Excel
- >Date: 21 Nov 92 22:10:15 GMT
- >Well, the question is in the subject. How DO you find
- >the correlation coefficient of data points in excel or
- >is the spreadsheet's statistical capabilities limited
- >to just standard deviation and mean?
- >
- >Also, is there a way to find roe? Roe is the covariance
- >divided by the product of the standard deviations (I think).
- >
- >These statistical functions are needed to correlate
- >the returns for a serious of data points collected from
- >the Wall St. Journal.
- >
- >Thank you in advance for any help you can give me.
- >
- >Jae
- >
-
- Check the documentation for the CORREL function; it gives you the
- correlation coefficient of two vectors. Also Excel computes
- covariance (COVAR). You are correct that the correlation between two series
- is defined as their covariance divided by the product of their standard
- deviations.
-
- -- Bob
-
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