Displaying 3 results from an estimated 3 matches for "raje".
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2009 Oct 07
1
Save plot to text file
Dear all:I am sorry if I have missed a solution posted earlier.
My collaborator (sitting in a different time zone and not on R) wants to
re-plot the charts that I have obtained after some complex processing. There
are thirty charts in all, of different types, and some are multi-plots
(plot(new=T)).
Is there a way to 'save' or 'dump just the x-y coordinates to a text/ASCII
file, like
2009 Mar 25
1
Density estimation: scale back for calendar time
Dear all:Request your indulgence. The econophysics gurus do this stuff all
the time: all their PDFs are smooth, with neat log x axis.
1. The kernel density estimate (KDE) function returns the empirical
probability density at 2^n points (min: 512). The big question is how do I
scale back the x-values (say, density$x) to x-values in terms of the
original dataset?
2. To give you a concrete idea, i
2009 Mar 18
0
Wavelet reconstruction with coefficients set to zero
Dear all:
Greetings from Mumbai, India.
Reference?R help solution [Rogerio, Thu 16 Nov 2006 - 20:54:25 GMT].
Simonsen, Jensen and Johansen (2002) [arXiv:cond-mat/0202352v1] note
"(.wavelet filtered was...) achieved?by first transforming the
log-price [...] to the?wavelet-domain, setting all wavelet coefficient
corresponding?to scales larger then 1000 trading days to zero, and
finally