similar to: Need help

Displaying 20 results from an estimated 400 matches similar to: "Need help"

2008 Aug 30
1
need some help on r
Hi >Tdf bin TCC_TCA TCA_CR TCC_CR Time sn.rnc 117 117 258 27 314 (08/28/08 00:09:42) 50.21 118 118 251 30 291 (08/28/08 00:09:47) 50.21 119 119 247 28 289 (08/28/08 00:09:52) 50.21 120 120 251 29 282 (08/28/08 00:09:57) 50.21 121 121 276 39 320 (08/28/08 00:10:02) 50.21 122
2004 Sep 03
2
windowing strategies
Hello to everybody, Does anyone has implemented a function for evaluating models using windowing strategies, such as growing window or sliding window ones? The aim is to evaluate regression models on a time series data. I do not use cross-validation once data sorted in a radom way does not make sense when evaluating time series. Thanks Joao Moreira
2008 Oct 31
2
how to retrieve some records from a dataframe
Hi , Dataframe Df contains more than 30 no of records.but I want only first 30 rows of data. How can I retrieve it. Thanks K.Ravichandra [[alternative HTML version deleted]]
2008 Sep 02
2
qcc help
Hi Gents, I need to get the control limits from qcc function. As follows: qcc(MDI, type = "xbar.one") Call: qcc(data = MDI, type = "xbar.one") xbar.one chart for MDI Summary of group statistics: Min. 1st Qu. Median Mean 3rd Qu. Max. 0.3266 0.4249 0.4371 0.4333 0.4451 0.4858 Group sample size: 1 Number of groups: 383 Center
2005 Oct 10
1
SEM with dichotomous indicators
Hello, I'd like to know if there is a way to fit a Structural equation model with dichotomous indicators (ex: problem with a phone solved/ or not) having effects on a ordinal variable. How I do that using R? Do you have an example with the code in R that you can send to me? Thanks a lot! Renata Estrella UFRJ, Brasil, Rio de Janeiro Renata Leite Estrella Assistente de
2008 Aug 18
4
how to get no of pdf files in a particular directory
Hi Lets say, Dir<-"/var/www/html/celnet/users/cxadmin/FlowDuration_DataVolume/fld_01_ 08_18_08" There will be pdf and/or csv files. I want to know how many *.pdf files are there in that directory. How can I get using R commands. Thanks K.Ravichandra [[alternative HTML version deleted]]
2008 Sep 05
2
how to write a escape sequences in to a file
Hi Str1<-"hai " Str2<-"hru" I want to write these 2 strings in a file separated by newline. How can I get this. Thanks K.Ravichandra [[alternative HTML version deleted]]
2008 Nov 13
2
(no subject)
Hi, Browse[1]> d4 EVDO_Rev Session_Setup FCA bin counts 50 NA 0 5 1 1 51 NA 0 5 2 1 52 NA 0 5 3 1 53 NA 0 5 4 1 54 NA 0 5 5 1 55 NA 0 5 6 1 56 NA 0 5 7 1 57 NA 0 5 8
2012 Oct 26
1
Creating a certain set of points with geographic coordinates between two endpoints
Hi all, I am a very recent user of R. Mine is probably a basic question. I would like to know how do we create a certain set of points with geographic coordinates, between two endpoints. Please explain me how to do this using R. Which are the packages to be used for doing this. Thanks in advance, Ravichandra Mondreti. Ravichandra Mondreti PhD student/ Doctorant Spatial
2008 Jul 17
2
spliting a string
Hi String<-"130.5" Df<-Strsplit(".",":",String) Then Df get "" "" "" "" But I want Df should contains Df "130" "5" If any body knows how to do it.tel me Thanks K.Ravichandra [[alternative HTML version deleted]]
2006 Mar 30
13
Trying Agile book, found problem
Pg. 57 of Agile asks you to create a scaffolding by typing in ruby script/generate scaffold Product Admin Instead of generating everything, it only gives me exists app/controllers/ exists app/helpers/ exists app/views/admin exists test/functional/ dependency model exists app/models/ exists test/unit/ exists test/fixtures/ identical
2008 Jul 30
1
need some help
Hi Can any body explain the meaning of the following R code if(interactive()) stop(msg, call. = FALSE) else quit() Thanks K.Ravichandra [[alternative HTML version deleted]]
2003 Oct 15
5
newbie question: Meetme
Yes, I am a newbie too. I am having a problem with meetme. From what I have seen it will work without a Digium card but with audio problems. My goal is just to see how it works not the quality of the audio. When I dial into the conference room the following message is played: "That is not a valid conference number." On the console I get: "unable to open pseudo channel". As
2008 Jul 30
2
FFT - (STATS) - is this correct?
Hello, I have calculated the fourier transform of the series enclosed at the end of this message, by doing: library(stats) x <- readLines("file1.txt") x.num <- as.numeric(x) ft.x.num <- fft(x.num) My question is: why is the first value (Real) of ft.x.num that big? (954.833870) all the other values are much smaller. Am I doing something wrong? Could you please help me to
2008 Nov 07
1
is there any way to run R method as a background process from R interface
Hi , can some body tell to me "how to run a R method /function as a background process from R interface" Thanks K.Ravichandra [[alternative HTML version deleted]]
2008 Nov 10
1
is there any way to apply mulitiple conditions in subset function
Hi All, Let say > df Session_Setup DCT FwdDataVols_bin counts 761 0 1 1 87162 762 0 1 2 11495 763 0 1 3 3986 764 0 1 4 1583 765 0 1 5 920 766 0 1 6 920 767 0 1
2008 May 21
2
need some help in plotting xy graph
Hi Dataframe fdf contains bin rate overlay 1 1 90 Assign First/cc _from_SN_53 RNC_20_to_SN_50 RNC_21_Success Rate 2 2 93 Assign First/cc _from_SN_53 RNC_20_to_SN_50 RNC_21_Success Rate 3 1 90 Assign First/cc _from_SN_50 RNC_21_to_SN_53 RNC_20_Success Rate 4 2 94 Assign First/cc _from_SN_50 RNC_21_to_SN_53
2006 Sep 26
1
Error while generating scaffold
Hello, When I run the command: "ruby script/generate scaffold Product Admin" I receive the following error after the usual changed files info: "Couldn''t find ''product'' generator" The command is based on "Agile Web Application Development with Rails" first edition on page: 57. Just to give some context to what I am doing, I just created
2005 Dec 22
13
in-memory SQLite for testing
I am following the rails book, and arrived to the section about testing. The test database is configured as: test: adapter: sqlite3 database: ":memory:" and I get this error with the simple product test: % ruby test/unit/product_test.rb Loaded suite test/unit/product_test Started E/usr/local/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.1.0/lib/sqlite3/ errors.rb:94:in
2008 May 20
2
need some help in plotting xy graph
Hi Dataframe fdf contains bin rate overlay 1 1 90 Assign First/cc _from_SN_53 RNC_20_to_SN_50 RNC_21_Success Rate 2 2 93 Assign First/cc _from_SN_53 RNC_20_to_SN_50 RNC_21_Success Rate 3 1 90 Assign First/cc _from_SN_50 RNC_21_to_SN_53 RNC_20_Success Rate 4 2 94 Assign First/cc _from_SN_50 RNC_21_to_SN_53