Trisha,
I agree with Frank, I'm not able to visualize your dataset. You
might be interested in an ICC but I'm not sure (or sure of which
one) and I don't think that PSPP does that calculation (it's an
option in RELIABILITIES in SPSS).
So, if you have several correlations, I recommend that you compute
them using PSPP and combine them meta-analytically. The simplest
accumulation would be to take the weighted average (if each company
has the same sample size, then just the average). A more
interesting question would be whether the correlations are
homogeneous or if there are moderators. Neither PSPP nor SPSS is
particularly well suited for these kinds of (meta-analytic)
calculations.
-Alan
On 9/15/2015 3:20 PM, Trisha Carr
wrote:
Hi,
I have a PSPP question and any help at all would be much
appreciated! I have a data set with a likelihood to recommend
rating and performance on attribute ratings for multiple
companies. I'm interested in calculating the correlation for
likelihood to recommend and performance on the attributes. I
know how to use PSPP to calculate this correlation for each
brand individually.
My question is, how can I calculate the correlation for
likelihood to recommend and performance on attributes for
all companies as a whole? Thanks in advance for any and all
help.
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