Questions tagged as 'r'

Tagged questions
1
answer

Subset problem in R

I'm having problems using subset in R . I believe it's an easy question, but I'm not getting it right. I want to make a% d of data that I can keep, only observations that do not have the value of the variable subset is not...
asked by 24.11.2016 / 13:42
1
answer

error on the server rselenium scraping google scholar

You're giving this error. What would be the solution?    checkForServer () Error in checkForServer (): could not find function   "xmlParse"     
asked by 04.06.2017 / 02:43
1
answer

multiple columns using geom_lines ggplot

I have this date frame: structure(list('Exchange Rate' = c(-0.145442175, 0.291096141, 0.489923112, -2.038363166, 1.180430664, 0.188114666, 0.850922634, 1.172142766, -3.980837975, 0.285762444, 2.497040646, 0.658010994, -0.925171981, 0.370769...
asked by 06.10.2016 / 23:56
1
answer

Message at the end of na.omit

I am using the command na.omit(matrix.work) and at the end the message appears: attr(,"na.action") [1] 3 11 attr(,"class" Someone knows how I can delete this message because I do not want it to appear because it is loading the conte...
asked by 06.09.2016 / 05:11
1
answer

Is there any way to eliminate duplicate elements that are not exactly the same?

dados1 <- c("10 ANOS DA POLÍTICA NACIONAL DE PROMOÇÃO DA SAÚDE: TRAJETÓRIAS E DESAFIOS", "4-CYCLOPROPYL-1-(1-METHYL-4-NITRO-1H-IMIDAZOL-5-YL)-1H-1,2,3-TRIAZOLE AND ETHYL 1-(1-METHYL-4-NITRO-1H-IMIDAZOL-5-YL)-1H-1,2,3-TRIAZOLE-4-CARBOXYLATE","7...
asked by 08.08.2016 / 18:46
1
answer

In R, use fread on a pipe shh connection

I have a virtual machine with many TXT files. I usually use an ssh and pipe connection to be able to read the files. When I use the read.csv function there is no problem at the time of reading the files. Already when I use the fread function, th...
asked by 29.07.2016 / 17:04
2
answers

Plot Chart Multiple Bars Variables in R

I need to assemble a graph in R from a table in CSV in bars as follows: The Y axis is the total count of each variable (column) in the X axis. Where Y is the number of people and X columns of the table. The examples I found only use the bar char...
asked by 19.04.2016 / 20:59
1
answer

What does the alpha argument of the ltsReg function in the robustbase package mean?

I have a question about using the alpha argument of the ltsReg function of the robustbase package. As I understand it, it is responsible for determining the size of the subsets that will be used to fit the model for these...
asked by 31.03.2016 / 18:15
1
answer

Bertin matrix installation problem

I'm trying to download a package from R which is called bertin array. The address I have is http://bertin.r-forge.r-project.org/ . The problem that when I try to download comes a message that the package is incompatible with m...
asked by 13.01.2016 / 13:00
2
answers

Normality test for a sample of 12 to 15 thousand observations - R

Does anyone know a test of normality that can be estimated (in R) for samples between 12 to 15 thousand observations? The shapiro.test should have sample size between 3 and 5000, does not apply to my sample.     
asked by 18.01.2017 / 18:20