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448
2013 Aug 29
3
ruby connect oracle problem
Hello folks.
I''m new in Ruby also ROR.
I installed oracle intant client and test it it works fine. Now I wanna
connect to oracle db. But its got some error. like this
*custom_require.rb:36:in `require'': cannot load such file -- oci8
(LoadError)*
my code is here.
require ''oci8''
oci =
2002 Jul 18
0
weights in quantile regression
...scatterplot of demographic rates against rainfall in
a small mammal population. The data looks like this:
|
|* * <- point in question
|*
|* *
|* *
|* * *
|* * * * * *
|_______________________________________
Based on a paper by Scharf et al. in Ecology (vol 79, p448) I am trying to
use the qreg package in R to estimate the upper quartile in the data. My
problem is that I have relatively few data points (~40) which are mostly
distributed at the low end of the x axis, and an outlier in the y direction
at the high end of the x axis.
I would like to find a way e...