9 Dec
2004
9 Dec
'04
12:40 p.m.
Hi,
Is anyone else having trouble opening VNC? I can use SecureCRT just fine
but when I try to open VNC I get the following message:
Could not start port forwarding from local service ... to ... Reason:
The channel could not be opened because the connection failed. Server error
details : connection refused.
... = series of numbers, looks like IP addresses?
I logged on yesterday afternoon with no problems. Any ideas? I could
download R on to my local machine but am unsure how to get the chrot.dat
needed for the homework.......
Becky
PS - I am on ice 2.
9 Dec
9 Dec
12:44 p.m.
Hi Becky,
If you are on Ice4 then yes, all of our sessions were deleted so you have
to create another. In Secure CRT type "vncserver" and get a new session
number - then adjust the last two digits to coincide with that in Port
forwarding and in your vnc viewer connection (local:**)
I had to do the same yesterday!
Best wishes,
Suzanna
On Thu, 9 Dec 2004, Rebecca Marie Nelson wrote:
Hi,
Is anyone else having trouble opening VNC? I can use SecureCRT just fine
but when I try to open VNC I get the following message:
Could not start port forwarding from local service ... to ... Reason:
The channel could not be opened because the connection failed. Server error
details : connection refused.
... = series of numbers, looks like IP addresses?
I logged on yesterday afternoon with no problems. Any ideas? I could
download R on to my local machine but am unsure how to get the chrot.dat
needed for the homework.......
Becky
PS - I am on ice 2.
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12:45 p.m.
Hi again,
Sorry - I see you were on Ice2 now - I don't know if it's the same
problem, but it would be worth a try.
Best wishes,
Suz
On Thu, 9 Dec 2004, Suzanna Elizabeth Chapman wrote:
Hi Becky,
If you are on Ice4 then yes, all of our sessions were deleted so you have
to create another. In Secure CRT type "vncserver" and get a new session
number - then adjust the last two digits to coincide with that in Port
forwarding and in your vnc viewer connection (local:**)
I had to do the same yesterday!
Best wishes,
Suzanna
On Thu, 9 Dec 2004, Rebecca Marie Nelson wrote:
Hi,
Is anyone else having trouble opening VNC? I can use SecureCRT just fine
but when I try to open VNC I get the following message:
Could not start port forwarding from local service ... to ... Reason:
The channel could not be opened because the connection failed. Server error
details : connection refused.
... = series of numbers, looks like IP addresses?
I logged on yesterday afternoon with no problems. Any ideas? I could
download R on to my local machine but am unsure how to get the chrot.dat
needed for the homework.......
Becky
PS - I am on ice 2.
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12:52 p.m.
Hey Suzanna,
Thanks for writing me back. I will try this.
General question, though. How do we
know when our sessions are killed? Is it just because we can't log in?
Why are they killed? Was there any advance warning that they would be
killed that I missed? I am confused.
Becky
On Thu, 9 Dec 2004, Suzanna Elizabeth Chapman wrote:
Hi Becky,
If you are on Ice4 then yes, all of our sessions were deleted so you have
to create another. In Secure CRT type "vncserver" and get a new session
number - then adjust the last two digits to coincide with that in Port
forwarding and in your vnc viewer connection (local:**)
I had to do the same yesterday!
Best wishes,
Suzanna
On Thu, 9 Dec 2004, Rebecca Marie Nelson wrote:
Hi,
Is anyone else having trouble opening VNC? I can use SecureCRT just fine
but when I try to open VNC I get the following message:
Could not start port forwarding from local service ... to ... Reason:
The channel could not be opened because the connection failed. Server error
details : connection refused.
... = series of numbers, looks like IP addresses?
I logged on yesterday afternoon with no problems. Any ideas? I could
download R on to my local machine but am unsure how to get the chrot.dat
needed for the homework.......
Becky
PS - I am on ice 2.
_______________________________________________
gov1000-list mailing list
gov1000-list(a)lists.fas.harvard.edu
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12:58 p.m.
Hi guys-
You can check to see if your session has been killed by typing "vncfinger"
at the prompt in your terminal window for your given ice server. They
didn't give us advance warning but my guess is that they needed to do some
system maintenance last night.
When you're starting a new VNC session, you'll want to be sure that your
process is "niced." You do this by typing:
nice +10 vncserver
to start a new session. This will give you your new number.
If you ever find you need to work in windows, all the datasets from the
Fox textbooks can be downloaded from the CRAN website. They are in the
car library. Simply choose "load package" from the file menu....
good luck-
Alison
On Thu, 9 Dec 2004, Rebecca Marie Nelson wrote:
Hey Suzanna,
Thanks for writing me back. I will try this.
General question, though. How do we
know when our sessions are killed? Is it just because we can't log in?
Why are they killed? Was there any advance warning that they would be
killed that I missed? I am confused.
Becky
On Thu, 9 Dec 2004, Suzanna Elizabeth Chapman wrote:
Hi Becky,
If you are on Ice4 then yes, all of our sessions were deleted so you have
to create another. In Secure CRT type "vncserver" and get a new session
number - then adjust the last two digits to coincide with that in Port
forwarding and in your vnc viewer connection (local:**)
I had to do the same yesterday!
Best wishes,
Suzanna
On Thu, 9 Dec 2004, Rebecca Marie Nelson wrote:
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Hi,
Is anyone else having trouble opening VNC? I can use SecureCRT just fine
but when I try to open VNC I get the following message:
Could not start port forwarding from local service ... to ... Reason:
The channel could not be opened because the connection failed. Server error
details : connection refused.
... = series of numbers, looks like IP addresses?
I logged on yesterday afternoon with no problems. Any ideas? I could
download R on to my local machine but am unsure how to get the chrot.dat
needed for the homework.......
Becky
PS - I am on ice 2.
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5:01 p.m.
General question, though. How do we
know when our sessions are killed? Is it just because we can't log in?
Why are they killed? Was there any advance warning that they would be
killed that I missed? I am confused.
There was no advance warning that I know of, and ice3 appeared to be
unaffected. My guess is that someone started processes that took over all
the server's memory, but I don't know for sure. You can always tell if you
have an active session using "vncfinger" at the iceX> prompt in SecureCRT.
Be careful not to create multiple sessions!
Ryan
Becky
On Thu, 9 Dec 2004, Suzanna Elizabeth Chapman wrote:
Hi Becky,
If you are on Ice4 then yes, all of our sessions were deleted so you have
to create another. In Secure CRT type "vncserver" and get a new session
number - then adjust the last two digits to coincide with that in Port
forwarding and in your vnc viewer connection (local:**)
I had to do the same yesterday!
Best wishes,
Suzanna
On Thu, 9 Dec 2004, Rebecca Marie Nelson wrote:
_______________________________________________
gov1000-list mailing list
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Hi,
Is anyone else having trouble opening VNC? I can use SecureCRT just fine
but when I try to open VNC I get the following message:
Could not start port forwarding from local service ... to ... Reason:
The channel could not be opened because the connection failed. Server error
details : connection refused.
... = series of numbers, looks like IP addresses?
I logged on yesterday afternoon with no problems. Any ideas? I could
download R on to my local machine but am unsure how to get the chrot.dat
needed for the homework.......
Becky
PS - I am on ice 2.
_______________________________________________
gov1000-list mailing list
gov1000-list(a)lists.fas.harvard.edu
http://lists.fas.harvard.edu/mailman/listinfo/gov1000-list
4:58 p.m.
If you are on Ice4 then yes, all of our sessions were
deleted so you have
to create another. In Secure CRT type "vncserver" and get a new session
number - then adjust the last two digits to coincide with that in Port
forwarding and in your vnc viewer connection (local:**)
Right. The alternative is to use the script, which will automatically
assign you a new session, either on the iceX machine you log on to, or on
the minimum-load iceX machine, if you log on to "nice.fas....".
Ryan
I had to do the same yesterday!
Best wishes,
Suzanna
On Thu, 9 Dec 2004, Rebecca Marie Nelson wrote:
Hi,
Is anyone else having trouble opening VNC? I can use SecureCRT just fine
but when I try to open VNC I get the following message:
Could not start port forwarding from local service ... to ... Reason:
The channel could not be opened because the connection failed. Server error
details : connection refused.
... = series of numbers, looks like IP addresses?
I logged on yesterday afternoon with no problems. Any ideas? I could
download R on to my local machine but am unsure how to get the chrot.dat
needed for the homework.......
Becky
PS - I am on ice 2.
_______________________________________________
gov1000-list mailing list
gov1000-list(a)lists.fas.harvard.edu
http://lists.fas.harvard.edu/mailman/listinfo/gov1000-list
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9:30 p.m.
Hi everyone,
I'm trying to make an added variable plot, and my R keeps freezing... I am
not sure what to do. I am entering the following command:
av.plots(lm.out, labels=row.names(Chirot))
It lists the row names and then it says Selection: and I try to enter a
number to indicate which I want and it won't let me enter anything... the
whole thing is frozen and I have to close the whole xemacs window and
start again. This happens on both my windows version of xemacs and on my
xdesktop. Can anyone help?
Thanks! Hope you are all having wonderful evenings.
Best wishes,
Suzanna
9:33 p.m.
this just happened to me too. i didn't solve the problem.
L
On Thu, 9 Dec 2004, Suzanna Elizabeth Chapman wrote:
Hi everyone,
I'm trying to make an added variable plot, and my R keeps freezing... I am
not sure what to do. I am entering the following command:
av.plots(lm.out, labels=row.names(Chirot))
It lists the row names and then it says Selection: and I try to enter a
number to indicate which I want and it won't let me enter anything... the
whole thing is frozen and I have to close the whole xemacs window and
start again. This happens on both my windows version of xemacs and on my
xdesktop. Can anyone help?
Thanks! Hope you are all having wonderful evenings.
Best wishes,
Suzanna
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10 Dec
10 Dec
12:14 a.m.
Hi guys-
Could you send me the previous few lines of code you've been using? the
command works fine for me, so it would be good to know what all of the
relevant factors are.
Thanks-
Alsion
On Thu, 9 Dec 2004, Lucy Barnes wrote:
this just happened to me too. i didn't solve the
problem.
L
On Thu, 9 Dec 2004, Suzanna Elizabeth Chapman wrote:
Hi everyone,
I'm trying to make an added variable plot, and my R keeps freezing... I am
not sure what to do. I am entering the following command:
av.plots(lm.out, labels=row.names(Chirot))
It lists the row names and then it says Selection: and I try to enter a
number to indicate which I want and it won't let me enter anything... the
whole thing is frozen and I have to close the whole xemacs window and
start again. This happens on both my windows version of xemacs and on my
xdesktop. Can anyone help?
Thanks! Hope you are all having wonderful evenings.
Best wishes,
Suzanna
_______________________________________________
gov1000-list mailing list
gov1000-list(a)lists.fas.harvard.edu
http://lists.fas.harvard.edu/mailman/listinfo/gov1000-list
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1:55 p.m.
New subject: simulate=T
Hey everyone,
In Alison's handout this week, she included the term simulate=T when
constructing a qq.plot (in section Ib of the handout). If I'm not mistake,
we haven't included this term in past qq.plots, and its inclusion changes
what the plot looks like considerably. Does anyone know what simulate=T
means and whether we should include it when constructing our qq.plot for
in this week's problem.
Thanks a lot.
Brian
2:02 p.m.
New subject: simulate=T
Hi Brian!
I think Simulate=T means that you are putting in a 95% confidence envelope
around your data - it shows up in dotted lines.
Best wishes,
Suz
On Fri, 10 Dec 2004, Brian D. Feinstein wrote:
Hey everyone,
In Alison's handout this week, she included the term simulate=T when
constructing a qq.plot (in section Ib of the handout). If I'm not mistake,
we haven't included this term in past qq.plots, and its inclusion changes
what the plot looks like considerably. Does anyone know what simulate=T
means and whether we should include it when constructing our qq.plot for
in this week's problem.
Thanks a lot.
Brian
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11:14 p.m.
New subject: simulate=T
Hi guys-
The "simulate=T" (T means TRUE here) argument for the qq.plot function
constructs confidence intervals using a slightly different procedure
called bootstrapping. This is why you will notice that the 95% confidence
intervals look different with the simulate=T argument than they do with
the default settings. If you're curious to learn more, Fox 1997 has a
section on bootstrapping. Also, you can consult the help file for the
qq.plot() function. In general, it's a good idea to look at the help
files when you're uncertain about what a certain argument means.
You're welcome to use either method for the homework.
Alison
On Fri, 10 Dec 2004, Brian D. Feinstein wrote:
Hey everyone,
In Alison's handout this week, she included the term simulate=T when
constructing a qq.plot (in section Ib of the handout). If I'm not mistake,
we haven't included this term in past qq.plots, and its inclusion changes
what the plot looks like considerably. Does anyone know what simulate=T
means and whether we should include it when constructing our qq.plot for
in this week's problem.
Thanks a lot.
Brian
14 Dec
14 Dec
8:05 a.m.
New subject: y missing...?
Morning everyone,
There doesn't seem to be a varible y in our hw10data set. Thus, how exactly
should we do the scatterplot matrix of all the x variables (I assumed we do y
on each x variable)....? Also for (b) we can't do a linear regression of y on
the xes if there is no y! I am getting the message: object "y" is not found. It
doesn't come up under names(hw10data)...
Am I missing something extremely obvious here?
Amy
8:35 a.m.
New subject: problem solved (whohoo!)
Sorry everyone,
I seem to still be slightly delirious after the chocolate cake I had last
night...
oh no.
I had hw10data <- read.table("hw10data.dat", header=T, rownames=1), which
didn't
get the y variable in the data set...
On the other hand, hw10data <- read.table("hw10data.dat", header=T) did.
Sorry to clog email boxes but Suz and Brodi weren't up when I had this problem!
Amy
Quoting Amy Louise Catalinac <catalin(a)fas.harvard.edu>du>:
Morning everyone,
There doesn't seem to be a varible y in our hw10data set. Thus, how exactly
should we do the scatterplot matrix of all the x variables (I assumed we do y
on each x variable)....? Also for (b) we can't do a linear regression of y on
the xes if there is no y! I am getting the message: object "y" is not found.
It
doesn't come up under names(hw10data)...
Am I missing something extremely obvious here?
Amy
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10 Dec
10 Dec
6 p.m.
Hi Lucy (and anyone else having the same problem with the av plots)
Still don't know why our machines won't use the code that I had before,
because it works on Alison's xdesktop. But that aside, here is what I was
able to get to work (and the code is taken from Prof. Quinn's slides on av
plots from the last lecture):
av.plots(lm.out, variable="midpeasant")
dev.print(dev=pdf, "ps9g.pdf")
dev.off()
This allows you to make one plot at a time.
I hope this works for you as well!
Best wishes,
Suzanna
On Thu, 9 Dec 2004, Lucy Barnes wrote:
this just happened to me too. i didn't solve the
problem.
L
On Thu, 9 Dec 2004, Suzanna Elizabeth Chapman wrote:
Hi everyone,
I'm trying to make an added variable plot, and my R keeps freezing... I am
not sure what to do. I am entering the following command:
av.plots(lm.out, labels=row.names(Chirot))
It lists the row names and then it says Selection: and I try to enter a
number to indicate which I want and it won't let me enter anything... the
whole thing is frozen and I have to close the whole xemacs window and
start again. This happens on both my windows version of xemacs and on my
xdesktop. Can anyone help?
Thanks! Hope you are all having wonderful evenings.
Best wishes,
Suzanna
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15 comments
7 participants
participants (7)
-
Alison Elizabeth Post -
Amy Louise Catalinac -
Brian D. Feinstein -
Lucy Barnes -
Rebecca Marie Nelson -
Ryan Thomas Moore -
Suzanna Elizabeth Chapman