such as a=[1,2,3 ],b =[2,4] I want to get a new one [1 2 3 4 5]. Thank you.
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Hi,
I want to define the x-axis in plot as 2,4,6.100 instead of the default
one. How to do that? Many thanks.
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Thank you. The factor is useful.
What if I did not factor it,and the x is listed as 2 2 1 1 1 1 2 2 2 and so
on. How would I know the HR for coxph is group2/group1 or group1/group2? I
understand it's just inverse but how can I identify the exact HR?
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Hi, there is p value and number of events from coxph results. How can I keep
record of every p value and number of events automatically if I run 100
times?
Another question is how can I change the true or faulse statment to 1 and 0.
such as w=12, I want the value of w to be 1 not true.
Thank you.
Hi, in coxph,
coxph(Surv(time, status)~x,data=alm).
How to encode x? For example, if x has two groups, the treatment group and
control group. if I encode them as 1 and 2. Is the HR results
treatment/control? What if I encode them as 0 and 1. I am confused with how
survival package works for HR.
Hi,
I am trying to do multiple imputation on a panel of data and then, use the
imputed values in stochastic frontier analysis. I am using this code just as
a start to see if will run:
mi(countrydata, n.iter = 30, R.hat = 1.1, max.minutes = 20, rand.imp.method =
bootstrap,
.
Any ideas?
Thanks,
Summer
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is not a
very appealing option. Is there another way? Is there a way to cut off the
first 5 character positions in the row name? Or to force R to take the
column names rather than concatenate the matrix and column names in the
regression?
Any help would be greatly appreciated.
Thanks,
Summer
Does anyone know if the Epi package has a function that returns/plots the
survival function for interval censored survival analysis. I haven't found
one in the manual that does this explicitly, but I could be missing it. I
am writing a paper, and I just coded the survival function myself, but it
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