search for: r_1

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2017 Aug 26
2
Register Allocation and Scheduling Issues
Hello, I have defined 8 registers in registerinfo.td file in the following order: R_0, R_1, R_2, R_3, R_4, R_5, R_6, R_7 But the generated assembly code only uses 2 registers. How to enable it to use all 8? Also can i control the ordering like after R_0 can i use R_5 without changes in registerinfo.td? What changes are required here? either in scheduling or register allocation phases?...
2018 Apr 18
2
Event-triggered change in value with a time-delay
...D_T) for the first time in either direction. Additionally, when the variable crosses the threshold (either by increasing or decreasing), there is a time delay (delay) before the parameter shifts values. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Toy model: # define parameters P <- c(m = 10, R_1 = 0.5, R_2 = 0.1, D_0 = 50, D_T = 5, delay = 3 ) # set initial values y_0 <- c(D = 0, Y = 1) # set timesteps times <- seq(0, 100, length = 101) # define function bit <- function(t,y,parms){ with(as.list(c(parms,y)),{ # How I would implement the change...
2018 Apr 18
0
Event-triggered change in value with a time-delay
...... + m*(6.8+ 3.2*(D < D_T)) Caveat: very lightly tested in your toy example, which did generate a result where D cross that threshold without blowing up. -- David. > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Toy model: > # define parameters > P <- c(m = 10, > R_1 = 0.5, > R_2 = 0.1, > D_0 = 50, > D_T = 5, > delay = 3 > ) > # set initial values > y_0 <- c(D = 0, Y = 1) > > # set timesteps > times <- seq(0, 100, length = 101) > > # define function > bit <- function(t,y,parms){ > wit...
2008 Jan 25
1
Poisson Maximum Likelihood Estimation
...ch headway, and I'm hoping that someone will be able to point me in the right direction. I am modelling mortality statistics. One way to do this is to model the mortality rate (or, more accurately, log of the mortality rate, log_m) as (say) a constant plus a proportion of age, plus time, so: r_1 <- lm(formula=log_m ~ age + time) summary(r_1) However, an alternative approach is to use try and estimate the number of deaths from the poisson mean mortality rate, and the number of people, with the poisson mean being defined in terms of age and time (And a constant). Conceptually I can see h...
2017 Jun 25
0
AVX Scheduling and Parallelism
Hi, Zvi, I agree. In the context of targeting the KNL, however, I'm a bit concerned about the addressing, and specifically, the size of the resulting encoding: > vmovdqu32 zmm0, zmmword ptr [rax + c+401280] ;load b[401280] in > zmm0 > > vpaddd zmm1, zmm1, zmmword ptr [rax + b+401344] > ; zmm1<-zmm1+b[401344] The KNL can only
2015 Jan 03
4
Potential cross-platform package building issue
...manual: * checking PDF version of manual ... WARNING LaTeX errors when creating PDF version. This typically indicates Rd problems. LaTeX errors found: ! Missing $ inserted. <inserted text> $ l.682 }{} ! Missing } inserted. <inserted text> } l.682 }{} ... The line appears to be \widehat{R_1} = \frac{\sum\limits_{i=1}^n{c_i/n}}{\sum\limits_{i=1}^n{L_i/n}} I asked for assistance in resolving this issue as I could not replicate the WARNING. Another user could replicate the warning on Ubuntu 12.04 but was able to resolve the issue by removing the DOS end-of-line markers (^M or Ctrl-M) f...
2017 Jun 25
2
AVX Scheduling and Parallelism
Hi Ahmed, >From what can be seen in the code snippet you provided, the reuse of XMM0 and XMM1 across loop-unroll instances does not inhibit instruction-level parallelism. Modern X86 processors use register renaming that can eliminate the dependencies in the instruction stream. In the example you provided, the processor should be able to identify the 2-vloads + vadd + vstore sequences as
2017 May 10
4
strange system outage
...ogs that tell me why it dies. However in /var/log/messages every day I see something like this: May 10 03:35:58 localhost pure-ftpd: (tool at xx.xx.xx.xx) [NOTICE] /usrMay 10 03:57:57 localhost pure-ftpd: (tool at xx.xx.xx.xx) [NOTICE] /usr/local/motor/data//B31/today/Images/CP0982436.00C_T6PH8_M0-R_1/T6PH8_M0-RN_TT6PH8_M0-R_P4_M1_FX-1_FY4_RR1_TR1_Ver3.jpg uploaded (90666 bytes, 8322.34KB/sec) Notice how the message that was being printed at 03:35:58 is truncated mid-message and the next message is at 03:57:57 ? there are always messages like around the time when the daemon dies. What could b...
2007 Jul 26
1
significance test for difference of two correlations
Dear R users, how can I test, whether two correlations differ significantly. (I want to prove, that variables are correlated differently, depending on the group a person is in.) Greetings from Freiburg im Breisgau (Germany), Timo Stolz
2017 May 10
1
strange system outage
...sages every day I see something >> like this: >> >> May 10 03:35:58 localhost pure-ftpd: (tool at xx.xx.xx.xx) [NOTICE] >> /usrMay 10 03:57:57 localhost pure-ftpd: (tool at xx.xx.xx.xx) [NOTICE] >> >> /usr/local/motor/data//B31/today/Images/CP0982436.00C_T6PH8_M0-R_1/T6PH8_M0-RN_TT6PH8_M0-R_P4_M1_FX-1_FY4_RR1_TR1_Ver3.jpg >> uploaded (90666 bytes, 8322.34KB/sec) >> >> >> Notice how the message that was being printed at 03:35:58 is truncated >> mid-message and the next message is at 03:57:57 ? there are always >> messages lik...
2011 Oct 03
1
Matrix/Vector manipulation
...w I recurse into the vector (from left to right) with what you have left from the difference of volume minus current weight, and stop when the difference is less than or equal to the current weight. Vectors W and R have the same length, and v is always a positive integer. W: {w_1 w_2 .. w_m} R: {r_1 r_2 .. r_m} my_cumsum <- function(v, R, W) { if (v <= W[1]) # check the head v*R[1] else W[1]*R[1] + my_cumsum(v - W[1], R[2:length(R)], W[2:length(W)]) # recurse the tail } Any help is greatly appreciated! Fernando Alvarez "Great ideas originate in the muscles." ~ Thomas...
2017 May 10
0
strange system outage
...ies. However in /var/log/messages every day I see something > like this: > > May 10 03:35:58 localhost pure-ftpd: (tool at xx.xx.xx.xx) [NOTICE] > /usrMay 10 03:57:57 localhost pure-ftpd: (tool at xx.xx.xx.xx) [NOTICE] > /usr/local/motor/data//B31/today/Images/CP0982436.00C_T6PH8_M0-R_1/T6PH8_M0-RN_TT6PH8_M0-R_P4_M1_FX-1_FY4_RR1_TR1_Ver3.jpg > uploaded (90666 bytes, 8322.34KB/sec) > > > Notice how the message that was being printed at 03:35:58 is truncated > mid-message and the next message is at 03:57:57 ? there are always > messages like around the time when...
2018 Mar 25
0
R-devel Digest, Vol 181, Issue 22
...p = "_", ## format = c("wide", "long"), groups = NULL, long_names = TRUE, ## nice_names = FALSE, na.action = "na.warn") df_stats(Sepal.Length ~ Species, data = iris, mean, sd, R = range, Q = quantile) ## Species mean_Sepal.Length sd_Sepal.Length R_1 R_2 Q_0% Q_25% Q_50% Q_75% Q_100% ## 1 setosa 5.006 0.3524897 4.3 5.8 4.3 4.800 5.0 5.2 5.8 ## 2 versicolor 5.936 0.5161711 4.9 7.0 4.9 5.600 5.9 6.3 7.0 ## 3 virginica 6.588 0.6358796 4.9 7.9 4.9 6.225 6.5 6.9 7.9...
2007 Nov 19
2
All nonnegative integer solution
Dear all, Is there any method in R to find all possible nonnegative integer solutions to the linear equation with unit coefficients as follow: X1+X2+...+Xk=N Thank you, Amin Zollanvari
2015 Jan 03
0
Potential cross-platform package building issue
...f manual ... WARNING | LaTeX errors when creating PDF version. | This typically indicates Rd problems. | LaTeX errors found: | ! Missing $ inserted. | <inserted text> | $ | l.682 }{} | ! Missing } inserted. | <inserted text> | } | l.682 | }{} | ... | | The line appears to be | \widehat{R_1} = | \frac{\sum\limits_{i=1}^n{c_i/n}}{\sum\limits_{i=1}^n{L_i/n}} | | I asked for assistance in resolving this issue as I could not replicate the | WARNING. Another user could replicate the warning on Ubuntu 12.04 but was | able to resolve the issue by removing the DOS end-of-line markers (^M or...
2006 Apr 25
5
Heteroskedasticity in Tobit models
Hello, I've had no luck finding an R package that has the ability to estimate a Tobit model allowing for heteroskedasticity (multiplicative, for example). Am I missing something in survReg? Is there another package that I'm unaware of? Is there an add-on package that will test for heteroskedasticity? Thanks for your help. Cheers, Alan Spearot -- Alan Spearot Department of Economics
2009 Jul 23
1
[PATCH server] changes required for fedora rawhide inclusion.
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