? It doesn't appear to be caused with actual errors
produced by my script, so I'm not certain where to start looking. Any
ideas? Thanks for your time.
Dave Mitchell
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Hello,
I'm running into what I believe is a scoping issue having to do with the
environment in which the weights argument is evaluated in lm. From the lm
documentation All of weights, subset and offset are evaluated in the same
way as variables in formula, that is first in data and then in the
]
On Behalf
Of William Dunlap
Sent: Sunday, June 23, 2013 1:26 PM
To: Dave Mitchell; r-help@r-project.org
Subject: Re: [R] environment of lm
Your web site had
WeightsBreaks - function(){
someData - data.frame(x = rnorm(20, 5, 1),y = 1:20 + runif(20),z =
70:51, weight =
0.05
doesn't exist. Also, when I query the database outside of R, I see that
the table doesn't exist. However, using sqlFetch works, and (perhaps, as
expected) the table is dropped upon evaluating close(myConn). Also,
sqlDrop works as expected. Thanks for your time. Any thoughts are
appreciated.
Dave
are
appreciated.
Dave Mitchell
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide
exist. Also, when I query the database outside of R, I see that
the table doesn't exist. However, using sqlFetch works, and (perhaps, as
expected) the table is dropped upon evaluating close(myConn). Also,
sqlDrop works as expected. Thanks for your time. Any thoughts are
appreciated.
Dave
Yes, I've added the appropriate repository to my sources.list file. I'm
sorry, I should've mentioned I've followed everything in the tutorial you
posted. Has anyone had issues the tutorial at
http://cran.r-project.org/bin/linux/ubuntu/README couldn't solve? Thanks
for your time.
Dave Mitchell
to
believe that everyone using Ubuntu server is an R version behind. Thanks
for your time.
Dave Mitchell
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PLEASE do read the posting guide http://www.R
in
ms sql server? If so, what type of variable did you use in R? I'm
not really sure where to go or what to try next here. Any advice is
appreciated. Thanks!
Dave Mitchell
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Why, in R, does (0.1 + 0.05) 0.15 evaluate to True? What am I missing
here? How can I ensure this (ostensibly incorrect) behavior doesn't
introduce bugs into my code? Thanks for your time.
Dave Mitchell
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I'm having trouble getting ffdfindexget to work right in Windows. Even the
most trivial of examples gives me problems.
myVec = ff(1:5)
another = ff(10:14)
littleFrame = ffdf(myVec, another)
posVec = ff(c(2, 4), vmode = 'integer')
ffdfindexget(littleFrame, posVec)
Error in if (any(B 1))
or should I consider another package? Thanks for your time.
Dave Mitchell
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make an
array, however, the data types of the columns are different and as I
understand, an array cannot handle this type of structure.
Any advice on how to do this? Any help is greatly appreciated.
Thank you,
Dave Mitchell
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appreciated.
Dave Mitchell
Undergraduate: Statistics and Mathematics,
University of Illinois, Urbana-Champaign
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PLEASE do read
for saving a few minutes, but i'll be leaving
the script for another in our lab (who may or may not know R too well) when
I leave.
Best,
Dave Mitchell
Student
University of Illinois-Champaign Urbana
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