Displaying 10 results from an estimated 10 matches for "aij".
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2008 Mar 25
0
Mixed-effects models: question about the syntax to introduce interactions
...e-specific fecundity (362 observations)
Models:
Because I was (I am still) not sure of how to include
all the variables in a single model, I started by
splitting up the data and assessing which is the best
model for each strain, therefore the ?Simplest? model
for each strain is:
Linear model.
Y[aij] = A[a] + error[aij]
R code:
m1 <- lm(fecudnity ~ Age)
Reduced mixed-effect model:
Y[aij] = A[a] + l[j] + i[i] + error[aij]
R code:
m2 <- lmer(fecudnity ~ Age + (1 | line/ind),
method=?ML?)
And a ?Full mixed-effects model? model (looking for
interactions between Age and line/ind)
Y[ai...
2001 Nov 05
2
apex ??
I would to know if it's possible with R
put an apex on a character ( i.e 10-2 or aij )
Thanks in advance
Damiano
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2017 Aug 28
5
"Improvement with the R code"
Hello,
I am trying to implement a formula
aij= transition from state S_i to S_j/no of transition at state S_i
Code I have written is working with three state {1,2,3 }, but if the number
of states become={1,2,3,4,......n} then the code will not work, so can some
help me with this.
For and some rows of my data frame look like
checkdf=dat...
2004 Nov 23
2
IFELSE across large array?
...1 1 1
10 1 1 1 10 10
I would like the array elements to:
a) IF A(ij) !=10 and Mij = 1
leave A(ij) unchanged
b) IF A(ij) != 10 and M(ij) =10
change A(ij) to M(ij) i.e mask value (10)
c)IF A(ij) = 10 and M(ij) = 10
leave (Aij) unchanged
d) IF A(ij) = 10 and M(ij) !=10
replace A(ij) with the majority value in the 8-neighborhood
(or whatever if it is an edge element) BUT ignoring 10s in this
neighborhood (i.e. with either 1 or 0, whichever is in majority)
because the array is 3d I would like to repeat the...
2010 Apr 28
1
Problem with optimization (constrOptim)
...] = [A] * [b1]
etc.
vertical vectors [b0], [b1], ... are GIVEN. We try to estimate matrix A. As
there are many equations (more than cells in matrix A) the system has no
solutions.
A is transition matrix (stochastic matrix) or markov process, so the sum of
each row = 1 and each entry is probability (aij in <0;1>). I tried to
estimate A by using constrOptim the following way, but apparently it won't
work on matrices.
fr <- function(x) {
x%*%matrix(c(2,5,6), 3,1)-matrix(c(5,4,2), 3,1)
x%*%matrix(c(6,2,3), 3,1)-matrix(c(1,1,1), 3,1)
x%*%matrix(c(6,1,2), 3,1)-matrix(c(3,4,1), 3,1)
}
cons...
2017 Aug 28
0
"Improvement with the R code"
...3,1,1,3,4,3,2,1,1,3,2,1,3,2))
no_of_state=4
transition_matrix= generate_transition_matrix(checkdf$clusterNum,
no_of_state)
transition_matrix
2017-08-28 16:37 GMT+02:00 niharika singhal <niharikasinghal1990 at gmail.com>:
> Hello,
>
> I am trying to implement a formula
>
> aij= transition from state S_i to S_j/no of transition at state S_i
>
>
>
> Code I have written is working with three state {1,2,3 }, but if the number
> of states become={1,2,3,4,......n} then the code will not work, so can some
> help me with this.
>
> For and some rows of m...
2017 Aug 28
0
"Improvement with the R code"
...matrix
>>>
>>>
>>>
>>> 2017-08-28 16:37 GMT+02:00 niharika singhal <
>>> niharikasinghal1990 at gmail.com>:
>>>
>>>> Hello,
>>>>
>>>> I am trying to implement a formula
>>>>
>>>> aij= transition from state S_i to S_j/no of transition at state S_i
>>>>
>>>>
>>>>
>>>> Code I have written is working with three state {1,2,3 }, but if the
>>>> number
>>>> of states become={1,2,3,4,......n} then the code will not...
2017 Aug 28
0
"Improvement with the R code"
...t; 2017-08-28 16:37 GMT+02:00 niharika singhal <
>>>>> niharikasinghal1990 at gmail.com>:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> I am trying to implement a formula
>>>>>>
>>>>>> aij= transition from state S_i to S_j/no of transition at state S_i
>>>>>>
>>>>>>
>>>>>>
>>>>>> Code I have written is working with three state {1,2,3 }, but if the
>>>>>> number
>>>>>> of states...
2013 Jan 02
13
Puppet and installing packages from source
Hello Everyone,
I''m looking for a way to install packages from source via puppet, I was
able to locate maybe 5 posts on this subject which is very strange, as I
would expect people to still use ./configure with their own customized
options.
For example, I need to compile Curl with c-ares support, for that I need to
set an option for ./configure but can''t find a way to do it.
2009 Jul 23
1
[PATCH server] changes required for fedora rawhide inclusion.
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