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1999 Oct 20
1
STOP MESSAGE
Help. I inadvertantly sent a private email to the list. Can someone stop
the message?
Michael Hart
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1999 Oct 22
0
on-line documentation (was AR models)
...<mlapsley at ndirect.co To: r-Help List <r-help at stat.math.ethz.ch>
.uk> cc: Michael HART <mhart at terrigal.net.au>
Sent by: Subject: Re: on-line documentation (was [R] AR models)
owner-r-help at stat.ma...
2000 Sep 23
2
Units
I used the AR modelling written for R (S) on blood pressure and heart rate
signals. I used 60 one second samples and a model order of 20. I used the
"ar" finction in the "ts" package.
Given that blood pressure is measured in mmHg would the spectral density (on
the graph displayed be [mmHg]sq/Hz ?
And the heart rate is measured in Beats Per Minute (bpm) - so would the
1999 Aug 31
1
AR models
Hello everyone,
I have just installed R and was wondering if anyone knows of any AR routines
available for it. I have had a look on the web site and it says that a
package called 'ts' (time series) is available but I can't seem to find it
anywhere.
any help appreciated
Michael Hart
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r-help mailing list
1999 Sep 21
1
regressions (simple question)
I have a list of measurements taken at 1 second samples in a vector (y).
All I want to do is generate a regression through them, and obtain the
residuals in another vector. I am currently using the 'line' function from
the eda package to do this (ie :
z <- line(time,y)
rsd <- residuals(z)
)
but this method does not handle NA values in the data. I would like to try
to use the lm
1999 Sep 30
1
Cluster graphs
I posted this to the sci.math newsgroup but didn't get any responses so I
was hoping someone here could help.
I have a number of items with "distances" of differences between each other.
What I want to do is to plot each item on a two dimensional plot such that
the positions on the plot indicate the approximate distance between each
item.
What I want to look at, basically, is a map