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x19998
2012 Oct 16
4
how to extract from list
...I have a list of 20000 data, and the list look like below. I wonder what is
the simplest way to extract 'kappa' value (or 'xi' or 'alpha' for the
matter) from each of the data. How can I simply code it without having to
change the list to a dataframe first? Many thanks!
$X19997
xi alpha kappa
784.7718640 165.4065141 -0.2709599
$X19998
xi alpha kappa
860.7832604 215.1144980 -0.1769741
$X19999
xi alpha kappa
839.7692675 196.0103874 -0.3848809
$X20000
xi alpha kappa
847.6117040 212.3279...