Dennis J. Low
Hydrologist
U.S.Geological Survey - WRD
215 Limekiln Road
New Cumberland, Pennsylvania 17070
(717) 730-6959
I have been running censored Kendall on Minitab,
and more recently on R because of the large data
size (about 4,000 samples). I have begun to
compare the two results and am confused about why
the results do not agree. Listed below are two
runs for each method on the same dataset where N
= 1447:
Results from R
slope [1] 6.527546
intercept [1] 162.4725
tau [1] 0.08137884
p [1] 2.356061e-06
True = censored data
False = non-censored data
Results from Minitab
S -6875.00
tau -0.00657152
taub -0.0108607
z -0.457711
pval 0.647160
1 = censored data
0 = non-censored data
Why don't they agree on anything?
I was surprised that R does not present a taub
which I believe takes into account ties.
I thought p and pval were basically the Pearson's
result which indicated significance.
What else am I missing?
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