data.table::fread should automatically detect the character separators and
parse it (lightning fast and parallelized i might add), so if using R, that
is a great swiss army knife that can read multihundred megabyte files
virtually instantly.
If that isn't working there is PKPDmisc::read_nonmem - I
Hi all,
A couple thoughts on this. First, I would suggest constructing a parse tree
over an abstract syntax tree, as it will likely be important to retain
additional metadata such as comments, as I presume such a tool would
provide a foundation for automatic things such as refactoring,
reformattin
Ready to wow your colleagues with informative dashboards, or give the
potential to run complex analyses directly to decision makers or non
technical users? Jump start your journey learning directly from myself
(Devin), an Rstudio expert consultant, to compress months of
self-experimentation into tw
Apologies for the followup - here is the correct public link:
https://www.eventbrite.com/e/shiny-for-pharmacometrics-tickets-42986594060
Please do not hesitant to reach out with questions, requests, or thoughts
about the course and material covered.
Devin
Dear all,
Thank you so much for the enthusiastic response regarding the previous
email about a R Shiny workshop prior to PAGE. Based on feedback, it will be
a two day course (monday/tuesday the 28th/29th).
Check out the syllabus and sign up details on eventbrite here:
https://www.eventbrite.c
We are excited to announce a new public course debuting at PAGE 2018. Shiny
for Pharmacometrics is an accelerated course that build on the modern R
course to leverage shiny to develop tools and applications to support
pharmacometric activities. This course has been taught privately with great
succe
I believe the problem is actually that is cross referenced
http://discuss.go-isop.org/t/psn-execute-failed-to-start-when-called-from-rstudio/1119
It
is not a path issue
Mike and I have had a small amount of offline exploration and can confirm
it a pervasive issue with NM74 being called from Rstudi
Similar to Bill, I also have an inelegant, but workable, solution, which is
to brute force the ignore times by templating them in R.
For example, you can use a simple glue template to churn out ignore
statements. For simplicity this could then be then just copied into control
streams.
library(whi
st,
only a couple spots remain!
Look forward to seeing everyone at PAGE,
Devin Pastoor and Vijay Ivaturi
-33043259278
*Register for early bird pricing by april 14th and get 20% off with the
code EARLYBIRD*
Curious whether this course is right for you? Please reach out to me at
devin.past...@gmail.com and we can discuss any questions.
Look forward to seeing everyone at PAGE,
Devin Pastoor and Vijay
Hi Penny,
I would highly encourage you to check out mrgsolve. It will be the fastest
(and IMO easiest) to do flexible designs.
That said, given that you seem to just be changing the sampling, per your
email, why don't you just simulate the richest design you need, then in
post processing filter o
Hi Paul,
You could probably just resent your FF at each dosing event (amt gt 0)
based on the
ADHERENCE = 0.4
IF (AMT.GT.0) THEN
CALL RANDOM(2, R) # second random number so can access uniform
distribution
IF (R.LT.ADHERENCE) THEN
FF = 0
ELSE
FF = 1
ENDIF
ENDIF
...
$S
rate
of dissolution then you could tie back the contributions in shape to both
ntr and mtt.
Devin Pastoor
Center For Translational Medicine, University of Maryland Baltimore
On Sun, Sep 25, 2016 at 9:01 AM Jing Niu wrote:
> Dear NMusers,
> I am modeling long-acting injectable formulation
Paul,
I would think you can just use the parallel environments flag to reserve
(by_node) the required slots and execute once they are available.
Either way though, can be pretty inefficient, as you're going to be
'wasting' compute resources waiting for the additional nodes to become
available.
It
Mark,
Does it work when you omit that individual?
If so, I would go through that ID's data records with a fine-toothed comb
to make sure their wasn't a 0 floating around somewhere that it shouldn't
be thats causing a divide by 0 error or some other data error.
The other thing that I might look t
would likely work well.
Devin Pastoor
Clinical Research Scientist, PhD student
Center for Translational Medicine
University of Maryland, School of Pharmacy
On Fri, Sep 11, 2015 at 10:38 AM ZhaoChenyan
wrote:
> Dear all:
>
> I'm now having a set of TDM data, only troughs (C0 ) availa
Alas it was a long shot - good to know it won't work. Thanks Ron/Erik. I
also wouldn't think I/O would outstrip CPU with how computationally
intensive nonmem runs are.
On Mon, Jun 22, 2015 at 3:30 PM Ron Keizer wrote:
>
>> The problem with those solutions is they don't actually address the I/O
>
Ron and Erik,
The problem with those solutions is they don't actually address the I/O
concern. While you will save some disk space at any given time (which I
assume shouldn't be an issue for Bill on AWS) , you are actually *increasing
*the I/O burden (eg now you have to deal with creation and dele
l describes the data - include a visualization of uncertainty
at your own peril :-)
So, for better or worse, I would say - it depends, though I would be highly
concerned if major decisions rode on inclusion/exclusion of parameter
uncertainty, in most cases.
Devin Pastoor
Center for Transla
Dear Gavin,
My two cents are, in the simplest sense:
Reproducibility focuses on the ability to arrive to the same final
conclusions, even in the presence of some change, as the 'spirit' of the
definition should be about arriving to the same conclusions. (eg use of
monolix vs phoenix vs nonmem, or
functions that you and your team can share
across projects? Come learn how you can write fast flexible functions that
more than double your productivity!
Want to know more?
Dr. Vijay Ivaturi and Devin Pastoor from The Center for Translational
Medicine will be teaching Modern R at the Creta Maris
or to be a
little larger 0.01 might have some issues with floating point
calculations but I could be incorrect here. Something like 0.0001 should
still give you negligible error for all intents and purposes.
Best of luck!
Devin Pastoor
Center for Translational Medicine
University of Maryland,
ose should resolve the
issue.
Devin Pastoor
Center for Translational Medicine
University of Maryland, Baltimore
On Fri, May 1, 2015 at 12:00 PM Amir Youssef
wrote:
> Dear all,
>
> I am running the SCM tool in PsN but I am getting the following error:
> "Multiple instances
ilt a functional and flexible
clinical trial simulator in R. *
For further inquires please contact Devin Pastoor at
devin.past...@umaryland.edu
Thank you and look forward to seeing you!
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