Displaying 4 results from an estimated 4 matches for "logrithm".
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logarithm
2012 Jan 23
2
Logrithmic histogram?
I have some data where the frequency is heavily weighted on the lower end.
So I have lots of low values with very few higher values. I would like to
find breakpoints that cover the data with as much detail as possible. I find
that if I use hist() to automatically find the breaks for me it finds breaks
that are too coarse for the low values. I have tried the other algorithms
(like 'Scott'
2008 May 05
2
rpart for survival fits
Hello Gurus:
When I plot a survival fit using rpart for the classification tree, for each node, there is a decimal based number above the event/total. I tried to see if it's the exponential ratio or logrithmics, neither seem to be the case. I'm wondering if anyone knows what they are.
Thanks,
Karen
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2011 Feb 25
1
neural networks with RSNNS
...tion splitForTrainingAndTest(). The split is ok (checked it), but
when I get a try on training I get this message:
Error in UseMethod("train") :
no applicable method for 'train' applied to an object of class
"c('double', 'numeric')"
The input data are logrithms of some financial values and their first lags.
Does anybody can give me a hint how to make the train() function work
correctly?
Thank you and have a good day!
Sara
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2002 Jan 01
2
Just to dispel any hopes -- RC3 really low bitrate
...g very closely -- but at around
30kb/s less than RC2. Those with more "golden ears" than I may contest
that as a general statement, but I think I'll encode at around 2.5 for
most things.
For future Vorbis development, I think the quality scale should be
shifted lower, or perhaps made logrithmic -- the marginal benefit per
unit bitrate is much more at lower quality settings than higher (I
doubt I would be able to hear any difference at all for 5 and above,
while 0 through 3 were obvious step-ups). Also, if possible lower
bitrates should degrade more gracefully. Gradually add
high-frequen...