search for: constant1

Displaying 11 results from an estimated 11 matches for "constant1".

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2010 Mar 26
4
Competing with SPSS and SAS: improving code that loops through rows (data manipulation)
...value in a given row is a function of (a) 2 constants (that have several levels each), # (b) the corresponding value of the original variable (e.g., a.ind.to.max"), and the value in the previous row on the same new variable # PLUS: - it has to be done by subgroup (variable "group") constant1<-c(1:3) # constant 1 used for transformation - has 3 levels; !!! in real life it will have up to 7 levels constant2<-seq(.15,.45,.15) # constant 2 used for transformation - has 3 levels; !!! in real life it will have up to 7 levels # CODE THAT IS TOO SLOW (it uses parameters sp...
2005 Jun 09
2
lme model specification
Dear All, I am trying to specify the following fixed effects model for lme: y ~ constant1 - beta1*(x - beta2) where y is the response, x is the independent variable, and the operators above are real arithmetic operations of addition, subtraction, and multiplication. I realize that this model is just a reparameterization of y=beta0+beta1*x, but I am using this parameterization because...
2016 Dec 31
2
SCCP is not always correct in presence of undef (+ proposed fix)
...ually-unknown" to "50"? Another way of stating my suggestion is that, if you agree that this is a correct lattice (different from Davide's proposal) and pretend the "spontaneous undef decay" problem does not exist, then: digraph G { Unknown -> Undef Undef -> Constant1 Undef -> Constant2 Undef -> Constant3 Constant1 -> Bottom Constant2 -> Bottom Constant3-> Bottom } then it should be legal / correct to first drop every lattice element from "Unknown" to "Undef" before running the algorithm. The only cases where this w...
2016 Dec 31
0
SCCP is not always correct in presence of undef (+ proposed fix)
...fValue>(C)) + return; + return markConstant(IV, &I, C); + } // Otherwise, one of our operands is overdefined. Try to produce something // better than overdefined with some tricks. Also, did you mean to make the lattice as: digraph G { Unknown -> Undef Undef -> Constant1 Undef -> Constant2 Undef -> Constant3 Constant1 -> Bottom Constant2 -> Bottom Constant3-> Bottom } ? In the lattice you've drawn, Constant MEET Undef will be Bottom, when it should ideally be Constant. Secondly, what's the purpose of splitting Unknown and Undef i...
2016 Dec 31
0
SCCP is not always correct in presence of undef (+ proposed fix)
On Fri, Dec 30, 2016 at 10:54 PM, Daniel Berlin <dberlin at dberlin.org> wrote: > > > On Fri, Dec 30, 2016 at 10:01 PM, Sanjoy Das <sanjoy at playingwithpointers. > com> wrote: > >> Hi Daniel, >> >> On Fri, Dec 30, 2016 at 9:47 PM, Daniel Berlin <dberlin at dberlin.org> >> wrote: >> >> >> >>> Is there a case in
2016 Dec 31
0
SCCP is not always correct in presence of undef (+ proposed fix)
...> > Another way of stating my suggestion is that, if you agree that this > is a correct lattice (different from Davide's proposal) and pretend > the "spontaneous undef decay" problem does not exist, then: > > digraph G { > Unknown -> Undef > Undef -> Constant1 > Undef -> Constant2 > Undef -> Constant3 > Constant1 -> Bottom > Constant2 -> Bottom > Constant3-> Bottom > } > > then it should be legal / correct to first drop every lattice element > from "Unknown" to "Undef" before running...
2016 Dec 31
4
SCCP is not always correct in presence of undef (+ proposed fix)
...I, C); > + } > > // Otherwise, one of our operands is overdefined. Try to produce > something > // better than overdefined with some tricks. > > > > > Also, did you mean to make the lattice as: > > digraph G { > Unknown -> Undef > Undef -> Constant1 > Undef -> Constant2 > Undef -> Constant3 > Constant1 -> Bottom > Constant2 -> Bottom > Constant3-> Bottom > } > > ? In the lattice you've drawn, Constant MEET Undef will be Bottom, > when it should ideally be Constant. > > Secondly, wh...
2016 Dec 31
0
SCCP is not always correct in presence of undef (+ proposed fix)
...one of our operands is overdefined. Try to produce >> something >> // better than overdefined with some tricks. >> >> >> >> >> Also, did you mean to make the lattice as: >> >> digraph G { >> Unknown -> Undef >> Undef -> Constant1 >> Undef -> Constant2 >> Undef -> Constant3 >> Constant1 -> Bottom >> Constant2 -> Bottom >> Constant3-> Bottom >> } >> >> ? In the lattice you've drawn, Constant MEET Undef will be Bottom, >> when it should ideally...
2010 Jul 18
1
Access from an AD group
Hi, I am using samba 3.0.24 Is it possible to grant access to a samba share to an Active Directory group ? I have a samba share, I want an AD group can access it (read) without a password, is it possible ? Thanks for your help
2016 Dec 31
2
SCCP is not always correct in presence of undef (+ proposed fix)
...f stating my suggestion is that, if you agree that this >> is a correct lattice (different from Davide's proposal) and pretend >> the "spontaneous undef decay" problem does not exist, then: >> >> digraph G { >> Unknown -> Undef >> Undef -> Constant1 >> Undef -> Constant2 >> Undef -> Constant3 >> Constant1 -> Bottom >> Constant2 -> Bottom >> Constant3-> Bottom >> } >> >> then it should be legal / correct to first drop every lattice element >> from "Unknown"...
2016 Dec 30
5
SCCP is not always correct in presence of undef (+ proposed fix)
Hi. I'm sending this email to -dev as this may be of interest of many/people may have opinions/want to try the change before it goes in to report problems. I've been recently working on a patch to integrate `undef` in the SCCP solver, in the hope of fixing a tail of latent bugs in SCCP which remained uncovered for many years. I think this is a decent time to propose, so that it can