Displaying 4 results from an estimated 4 matches for "tb0".
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2009 Oct 17
1
custom selfStart model works with getInitial but not nls
...try
usint it with nls or nlsList, these routines complain about a lack of initial
conditions.
If someone could point out what I'm doing wrong, I'd greatly appreciate it.
Details:
## Nonlinear model I want to fit to the data
const.PBMC.tcell.model <- function(B0, t, aL, aN, T0){
Tb0 = B0;
x = exp(-log(aL) + log(T0*aL+(-1+exp(t * aL))*Tb0 * aN) - t * aL);
return(x);
}
##Define selfStart routine
const.PBMC.tcell.selfStart<- function(mCall, LHS, data){
t0 = 0;
t1 = 24;
t2 = 48;
##Get B0 Value
B0 = data[1, "B0"];
T0 = mean(data[data$Tim...
2009 Nov 12
0
writing selfStart models that can deal with treatment effects
Hello,
I'm trying to do some non-linear regression with 2 cell types and 4 tissue
type treatments using selfStart models
Following Ritz and Streibig (2009), I wrote the following routines:
##Selfstart
expDecayAndConstantInflowModel <- function(Tb0, time, aL, aN, T0){
exp(-time*aL)*(T0*aL+(-1+exp(time * aL))*Tb0 * aN)/aL
}
expDecayAndConstantInflowModelInit <- function(mCall, LHS, data){
print(paste("SelfStart mCall:", mCall));
print(attributes(mCall));
print(mCall[["aN"]]);
xy <- sortedXyData(mCall[...
2007 Jan 17
16
Cron jobs not removed when deleted from Manifest
I''m not sure if this has been posted previously, but I couldn''t find any information on it.
I added a cron job via the cron type and it installed properly. Next, I removed the cron type from the manifest.
The result was that, while the entry was no longer in the yaml file, the cron entry was not removed!
Is this a bug, or the way that it is supposed to function?
Thank you,
2020 Feb 27
2
[PATCH] Update the 5 year logo to 10 year logo
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