search for: calculating

...n Murdoch <murdoch.duncan at gmail.com> Sent: Friday, May 3, 2019 8:18:44 AM To: peter dalgaard Cc: Florian Gerber; r-devel at r-project.org Subject: Re: [Rd] R optim(method="L-BFGS-B"): unexpected behavior when working with parent environments It looks as though this happens when calculating numerical gradients: x is reduced by eps, and fn is called; then x is increased by eps, and fn is called again. No check is made that x has other references after the first call to fn. I'll put together a patch if nobody else gets there first... Duncan Murdoch On 03/05/2019 7:13 a.m., pete...

Hi, I've got my hands on a collection of old (the software on them is copyrighted in 1998-2000) cd's with a suite of games for kids called Aprendilandia. Unfortunately it doesn't quite work (I'll try to find a Win-comp around to see if it works under real windows, but in the meantime I'm asking for help here. The problem is that animation doesn't work (an image can move

...il.com> > Sent: Friday, May 3, 2019 8:18:44 AM > To: peter dalgaard > Cc: Florian Gerber; r-devel at r-project.org > Subject: Re: [Rd] R optim(method="L-BFGS-B"): unexpected behavior when working with parent environments > > > It looks as though this happens when calculating numerical gradients: x > is reduced by eps, and fn is called; then x is increased by eps, and fn > is called again. No check is made that x has other references after the > first call to fn. > > I'll put together a patch if nobody else gets there first... > > Duncan Mur...

...Friday, May 3, 2019 8:18:44 AM >> To: peter dalgaard >> Cc: Florian Gerber; r-devel at r-project.org >> Subject: Re: [Rd] R optim(method="L-BFGS-B"): unexpected behavior when working with parent environments >> >> >> It looks as though this happens when calculating numerical gradients: x >> is reduced by eps, and fn is called; then x is increased by eps, and fn >> is called again. No check is made that x has other references after the >> first call to fn. >> >> I'll put together a patch if nobody else gets there first... &g...

...the 3 > frequencies but not only 2 . > > > Regards > > Allahisone > ------------------------------ > *From:* Bert Gunter <bgunter.4567 at gmail.com> > *Sent:* 09 November 2017 20:56:39 > *To:* Allaisone 1 > *Cc:* r-help at R-project.org > *Subject:* Re: [R] Calculating frequencies of multiple values in 200 > colomns > > This is not a good way to do things! R has many powerful built in > functions to do this sort of thing for you. Searching -- e.g. at > rseek.org or even a plain old google search -- can help you find them. > Also, it looks like...

Thank you for your effort Bert.., I knew what is the problem now, the values (1,2,3) were only an example. The values I have are 0 , 1, 2 . Tabulate () function seem to ignore calculating the frequency of 0 values and this is my exact problem as the frequency of 0 values should also be calculated for the maf to be calculated correctly. ________________________________ From: Bert Gunter <bgunter.4567 at gmail.com> Sent: 09 November 2017 23:51:35 To: Allaisone 1; R-help Subject...

Hello All, MOS and R factor are the two QoS parameters used to estimate VoIP call quality. I have found that they are calculated from other metrics like jitter, latency, packet loss,...etc. But, haven't found any formula or arithmetic rule to calculate them. Do you have an idea about their formulas or an open source that calculates them. Is it possible to interpret them from wireshark.

So my automated script caught this issue, though I think my email headers were bad, so rails-core has put the automated email on hold pending "moderation". I''ll fix that issue, and look at the one below as well. -------- Original Message -------- Subject: Rails AR/Oracle Unit Test: [4185] failed Date: Thu, 6 Apr 2006 08:32:04 -0700 From: Michael Schoen

...; On Nov 10, 2017, at 4:32 AM, Allaisone 1 <allaisone1 at hotmail.com> wrote: > > > > Thank you for your effort Bert.., > > > I knew what is the problem now, the values (1,2,3) were only an example. The values I have are 0 , 1, 2 . Tabulate () function seem to ignore calculating the frequency of 0 values and this is my exact problem as the frequency of 0 values should also be calculated for the maf to be calculated correctly. > > ________________________________ > From: Bert Gunter <bgunter.4567 at gmail.com> > Sent: 09 November 2017 23:51:35 > To: Al...

Dear R helpers If for a given data, I need to calculate Mean, Standard Deviation, Mode, Median, Skewness, Kurtosis, is there any package in R, which will calculate these moments? Individually I can calculate these, but if there is any function which will calculate these at a stretch, please let me know. Maithili The INTERNET now has a personality. YOURS! See your Yahoo! Homepage.

Dear List, I ran into some trouble by calculating differences. For me it is important that differences are either 0 or not. So I don't understand the outcome of this calculation 865.56-(782.86+0+63.85+18.85+0) [1] -1.136868e-13 I run R version 2.71 on WinXP I could solve my problem by using round() but I would like to know the reason. Mayb...

Hello there. I need consultation and any advice about my log file. I have some strange errors in my log file about "invalid zone operation" and "pad length mismatch. Calculated 44 got 0" on my DC1 and DC2 samba Version 4.5.12-Debian smb.conf: [global] workgroup = !!! realm = !!! netbios name = !!! server role = active directory domain

Hello. I need calculate the median of several column of a data.frame, in a new column of this data frame, but the median operator only calculate from a vector. I have made a functionc that calculate the median but it is very slow. Are there any method in any package to calculate this? Best regards. Jose Sierra. A B C -0.01678042

...ate the mean just for the filled cells? I tried: mean(dataSet2$ac_60d_4d_after_ann[!is.na(master$ac_60d_4d_after_ann)], na.rm=TRUE) But the output was different to the calculation I died in Microsoft Excel. Thanks in advance, Felix -- View this message in context: http://r.789695.n4.nabble.com/Calculating-the-mean-in-one-column-with-empty-cells-tp4645135.html Sent from the R help mailing list archive at Nabble.com.

R 2.3.0, all packages up to date Linux, SuSE 10.0 Hi I want to calculate AIC or BIC from several results from mle calculation. I found the AIC function, but it does not seem to work with objects of class mle - If I execute the following: ml1 <- mle(...) AIC(ml1) I get the following error messale: Error in logLik(object) : no applicable method for "logLik" Therefore I am using the

...M, Allaisone 1 <allaisone1 at hotmail.com> wrote: >> >> >> >> Thank you for your effort Bert.., >> >> >> I knew what is the problem now, the values (1,2,3) were only an example. The values I have are 0 , 1, 2 . Tabulate () function seem to ignore calculating the frequency of 0 values and this is my exact problem as the frequency of 0 values should also be calculated for the maf to be calculated correctly. >> >> ________________________________ >> From: Bert Gunter <bgunter.4567 at gmail.com> >> Sent: 09 November 2017 23:5...

Hello, on a simple linear model the values produced from the fitted(model) function are difference from manually calculating on calc. Will anyone have a clue... or any insights on how fitted function calculates the values? Thank you. -- -- Yianni [[alternative HTML version deleted]]

Hello I want to calculate natural logarithm of sum of combinations as follow: (R code) { com_sum=choose(2000000,482)*choose(1000000,118)+choose(2000000,483)*choose(1000000,117)+...+choose(2000000,i)*choose(1000000,600-i)+...+choose(2000000,600)*choose(1000000,0) #calculate the sum result=log(com_sum) #calculate the log of the sum } But

Yes, I think you are right. I was at first confused by the fact that after the optim() call, > environment(fn)$xx [1] 10 > environment(fn)$ret [1] 100.02 so not 9.999, but this could come from x being assigned the final value without calling fn. -pd > On 3 May 2019, at 11:58 , Duncan Murdoch <murdoch.duncan at gmail.com> wrote: > > Your results below make it look like a

I was hoping to calculate the percentile for each date. So group all of one date together, calculating the value of the 2.5 and 97.5 percentile. -- View this message in context: http://r.789695.n4.nabble.com/Calculating-percentiles-for-multiple-dates-tp4638183p4638378.html Sent from the R help mailing list archive at Nabble.com.