search for: ricardosousa2000

Displaying 20 results from an estimated 23 matches for "ricardosousa2000".

2012 Mar 07
4
problem with data
Good Afternoon, ?? I have a small problem with the following code. # The x.sub$Time[[1]] 2006-10-31 19:03:01 EST # when put in variable star give-me star<-x.sub$Time[[1]] print(star) print(x.sub$Time[[1]]) [1] 1 36 32 -........ do not understand why -- View this message in context: http://r.789695.n4.nabble.com/problem-with-data-tp4453510p4453510.html Sent from the R help mailing
2012 Jun 25
4
graph displays
Good Afternoon, I'm trying to create a graph that displays the best way the following information. ??? For instance organized by bar graph, A, B, C Source X1000s X600s X500s X250s X100s X50s X10s X5s X3s X1s 1 A 47 63 75 116 125 129 131 131 131 131 2 B 37 64 45 11 25 19 61 131 186 186 3 C 17 62 25 66 12 29 91 171 186
2010 Jun 17
2
Help R
Hello, I'm new in using the R, but from what I read is an excellent tool. Would you like if I could help, I am trying create an array from reading a text file. The idea is to read the file, and transform the data in binary format, for example. The calves of this file format. A,B,C,D,G A,C,E,O F,G Put this away a b c d e f g o 1 1 1 1 1 0 0 1 0
2012 Apr 06
4
Order sapply
Good Afternoon, I have the following code, but it seems that something must be doing wrong, because it is giving the results I want. The idea is to create segments while the value of Commutation is less than 1000. for example, from the small set of data below text=" val_user pos v v_star v_end commutation v_source v_destine 1 1 96-96 1173438391 1173438391 0
2012 Mar 08
8
Copy dataframe for another
I'm trying to copy the results of a dataframe to another within a cycle for but I am not able to implement the rbind, because give th d<-Null df<-NULL for(r in 2: nrow(x)) { val_user<-x.name[[r]] pos<-x.pos[[r]] -4 age <-x.age[[r]] d<-data.frame(val_user,pos,) print(d) } df<-rbind(df,d) } someone can help me solve this Thanks
2012 Mar 15
1
Subtract Date Between columns
Hello I have this little dataset, my goal is create one column in the data.frame with between the diference DataTime and Duration. I'm using the next code to make do this TIME_STAMP SESSIONTIME Time TimeStart 1162343932 8320 2006-10-31 19:01:34 2006-10-31 16:42:54 1162343215 592 2006-10-31 19:02:04 2006-10-31 18:52:12 1162341465 11875
2012 Mar 23
1
Read File for Matrix with rownames
Good morning, Good morning, I'm trying to read the file into an array, with the following code. A<- as.matrix(read.csv("~/Desktop/Results/Cfile.csv", header = FALSE, sep=",")) The content of the file " ","1","2","3","4" "1", 484,43,67,54 "2",54,35,67,34 "3",69,76,78,55
2012 Mar 19
2
Save File after order
Hello, ??? I'm trying to write the sorted data in a file of a data.frame, My question and my problem is that when I record in file adds a new column row.name, which apparently is the original position in the file. ??? I wanted to write to the file without this column x<-data.frame(name="x1",Time=20) x<-rbind(x,data.frame(name="x2",Time=25))
2012 Mar 27
2
drawing the graph with many nodes
Good morning, I'm trying to draw a graph, and I'm using the following code. test.matrix<-read.table("~/Desktop/Results/testgephi.csv", header = T, sep=",") colnames(test.matrix) <- gsub("X", "", colnames(test.matrix)) #drop first column drops <- c("") test.matrix<-test.matrix[,!(names(test.matrix) %in% drops)] test.matrix
2012 Mar 13
2
Matrix Another table
I have next table source destine 3 3 7 7 6 6 3 4 4 4 4 3 3 3 3 3 3 3 3 3 3 4 4 4 4 3 3 4 4 3 I'm trying to create an array with the number of occurrences between the source and destination. id_ap<-levels(factor(df$v_source)) num_AP<-length(levels(factor(df$v_source))) mat<-matrix(data=NA,nrow=num_AP,ncol=num_AP, byrow=TRUE,dimnames=list(id_ap,id_ap)) 1 2 3 4 5 6 7
2012 Mar 26
2
copy the columns based on the code
Hello, I have two different dataset, and wanted to join the two. For example I have a table of codes of cities, and other with with the codes of travels, [source for the destine]. what he wanted was to have a new data.frame with all the information city<-data.frame(city="Barcelona",cod=1) city<-rbind(city,data.frame(city="Madrid",cod=2))
2012 Mar 20
2
Unique in DataFrame
Hello, I have little doubt, and I do not think that the way I solve the problem is the best way to do it. The following is a small dataset x<-data.frame(city="Barcelona",sales=253639) x<-rbind(x,data.frame(city="Madrid",sales=223455)) x<-rbind(x,data.frame(city="Lisbon",sales=273633)) x<-rbind(x,data.frame(city="Madrid",sales=266535))
2011 Oct 24
2
Plot Legend
Good Afternoon, I am inexperienced in data visualization R. so I wonder if someone can help me. I am using the generic database mtcars. I would like to change the chart plot, instead of appearing the name of the medicine, I wanted a symbol in the chart drugX arise for example in a yellow circle, and so for the rest of the drugs. I am using the following code. dataset Age Sex BP
2011 Oct 26
1
Plot complete dataset
Hello, I am a new user of R, so I still have some basic difficulties. I'm trying to create a bar graph completely from reading a file. The idea was on the x axis have the columns of the table Married ,Single,Divorced, widower the legend Ages 18-34 35-45 46-64 65-69 70-74 the dataset dataset Ages Married Single Divorced widower 1 18-34 10.5 35.7 8.5 3.2 2 35-45
2011 Nov 18
2
Export Tree for latex
Hello everybody. I'm trying to send the result of a decision tree for latex, but I do not get with the package(xtable), there is a package that make this export Export this for latex marital.status = Divorced | educational.num <= 12: <=50K (1795.0/90.0) | educational.num > 12 | | hours.per.week <= 41: <=50K (302.0/58.0) | | hours.per.week > 41 | | |
2011 Nov 27
0
nnet plot
good night Again I ask for help to the community, as I am new at this, I have some basic questions. I am looking for packages on neural networks and so you can search found these two that I think are the most used, neuralnet, nnet. So you can test, and correct me if I'm wrong the neuralnet only accepts as input values ??nomer, did a little test data (iris) library (neuralnet)
2011 Nov 28
0
Plot nnet
good night Again I ask for help to the community, as I am new at this, I have some basic questions. I am looking for packages on neural networks and so you can search found these two that I think are the most used, neuralnet, nnet. So you can test, and correct me if I'm wrong the neuralnet only accepts as input values ??nomer, did a little test data (iris) library (neuralnet)
2012 Mar 27
2
R extract parts
Good Afternoon, I believe that my to the problem, the R has a more effective solution. in place the use the loop I have the following set of data, and needs to extract some sections. user pos communications source v_destine 7 1 109 22 22 7 2 100 22 22 7 3 214 22 22 7 4 322 22 22 7 5 69920 22 161 7 6
2012 Jun 14
2
plot cdf
Good Afternoon, I'm trying to create a cdf plot, with the following code. It works well, but I have little doubt, if you can help solve. When I create the plot, like the graph line would still not appear with point #cdf x<-table(Dataset$Apcode) View(s) hist(s) *plot(ecdf(x))* x<-1 37607 2 26625 3 5856 4 25992 5 30585 6 16064 7 9850 .. ... .. 186 52 -- View this message in
2011 Oct 24
1
strsplit convert data
I am using the following code but I do not know the debug and run for correct errors library (tcltk) file <-tclvalue (tkgetOpenFile ()) if (nchar (file)) { tkmessageBox ("Select the file") } else { tkmessageBox (message = paste ("Was select file", file)) Dataset <- read.table (file, header = FALSE, sep = "", na.strings =