search for: zava

Hi what does this mean when i get above error? When I call function foo(), specifying parameters a and b as below a<-5 b<-6 > y <- foo(a,b) > Error in foo(a, b) : unused argument(s) (6) Thanks Zava -------------------------------------------------------- This is not an offer (or solicitation of an offer) to bu...{{dropped:24}}

...problem is something along these lines: df1 <- data.frame(var1=var1,var2=var2,var3=var3) # nrow(df1)=1000 df2 <- data.frame(var1=var4,var2=var5,var3=var6) # nrow(df2)=2000 I tried df <- c(df1,df2), no success. stack does not seem to be appropriate either for my problem. Thanks Zava -------------------------------------------------------- This is not an offer (or solicitation of an offer) to buy/se...{{dropped}}

Hi, is there any function in R that shifts elements of a vector to the opposite direction of what Lag() of the Hmisc package does? (something like, Lag(x, shift = -1) ) Thanks Zava -------------------------------------------------------- This is not an offer (or solicitation of an offer) to buy/se...{{dropped}}

...} } Some more details: - the size of the stored text files is about 100,000 rows and 50 columns each - for k=1: rbind takes 0.0004 seconds - for k=2: rbind takes 13 seconds - for k=3: rbind takes 30 seconds - for k=4: rbind takes 36 seconds etc Any suggestions to improve speed? Thanks Zava -------------------------------------------------------- This is not an offer (or solicitation of an offer) to buy/se...{{dropped}}

...;pword") data <- dbSendquery(conn, "select etc.") } When I run the function, i get the error > data <- getData() Error in do.call(as.character(drvName), list(...)) : could not find function "DB2" Can anyone help me here? Thank you Zava -------------------------------------------------------- This is not an offer (or solicitation of an offer) to buy/se...{{dropped}}

Hi, I am just starting to play with R. What is the recommended manner for calculating time spans between 2 dates? In particular, should I be using the "chron" or the "date" package (so far I just found how to calculate a timespan in terms of days)? Thanks Zava -------------------------------------------------------- This is not an offer (or solicitation of an offer) to buy/se...{{dropped}}

Hi, I have a list myList (see below) that consists of id's $'7',....,$'10' and each id has an individual array, the length of which can vary from id to id. How can I convert this list into an array, ie. stacking the individual arrays into one large array? Thanks Zava myList: $`7` [1] 20050201 20050301 20050401 20050501 $`8` [1] 20050201 20050301 20050401 20050501 $`9` [1] 20050201 20050301 20050401 20050501 $`10` [1] 20050101 20050201 20050301 20050401 20050501 -------------------------------------------------------- This is not an offer (or solici...

Hi, I would like to generate below triangular matrix for some a. 0 0 0 0 0 0 1 0 0 0 0 0 a 1 0 0 0 0 a^2 a 1 0 0 0 a^3 a^2 a 1 0 0 a^4 a^3 a^2 a 1 0 What's an efficient way to do this? (this matrix being KxK, K very large) Thanks Zava -------------------------------------------------------- This is not an offer (or solicitation of an offer) to buy/se...{{dropped}}

...t;) foo(parameter1) I want to specify and pass parameter1 in my command line when invoking R in linux: R --no-save <fileFoo.R. How can I do that? And how can I retrieve the value of parameter1 in my fileFoo.R function (something analogous to perl: my $parameter1=$ARGV[0])? Thank you Zava -------------------------------------------------------- This is not an offer (or solicitation of an offer) to buy/se...{{dropped}}

...d "main" java.sql.SQLException: No suitable driver at java.sql.DriverManager.getConnection(DriverManager.java:545) at java.sql.DriverManager.getConnection(DriverManager.java:171) Error in .local(drv, ...) : Unable to connect JDBC to serverName Can anyone help me? Thank you Zava -------------------------------------------------------- This is not an offer (or solicitation of an offer) to buy/se...{{dropped}}

Hi,I have a problem, i can't get the authentication for the master user using dovecot - ldap authentication, in combination with sogo.There is a script that is used by Sogo to check and disable the vacation messagge: "sogo /usr/sbin/sogo-tool expire-autoreply -p /etc/dovecot/master-users" Insidie this file there is: sogo:{SHA}gkodfgdk6yujkgdklkkdfkgjrg9ugr9p= if I run the script