[Traminer-users] Error in seqefsub

[Aron Lindberg]

Sorry, scratch that, as soon as I went below pMinSupport = 0.5 I realize that there are no subsequences which are in more than 50% of the sequences. 


-- 

Aron Lindberg




Doctoral Candidate, Information Systems

Weatherhead School of Management 

Case Western Reserve University

aronlindberg.github.io

On Tue, Mar 3, 2015 at 4:52 PM, Aron Lindberg <aron.lindberg at case.edu>
wrote:

> Hi,
> I’m trying to run code along these lines:
> required_packages <- c('TraMineR','TraMineRextras','magrittr', 'dplyr', ‘rmarkdown’, ‘devtools')
> new_packages <- required_packages[!(required_packages %in% installed.packages()[,'Package'])]
> if(length(new_packages)) install.packages(new_packages)
> lapply(required_packages, library, character.only=T)
> set.seed(1)
> setwd("/home/rstudio/crowd_sequencing")
> data <- read.csv(paste0(getwd(), "/data/dataset_error.csv"), header=TRUE)
> data <- subset(data, select = c("SequenceIndex", "PostOrder", "Category"))
> colnames(data) <- c("id", "time", "event")
> data$end <- data$time
> data <- data[with(data, order(time)), ]
> data$time <- match(data$time, unique(data$time))
> data$end <- match(data$end, unique(data$end))
> data.sample <- data
> # data.sample = data[sample(nrow(data), nrow(data)*0.01), ]
> data.sample <- data.sample[order(data.sample$id), ]
> data.seqe <- seqecreate(data = data.sample, id = id, timestamp = time, 
>                         event = event)
> # Frequent subsequences:
> fsubseq <- seqefsub(data.seqe, pMinSupport = 0.65, maxK = 3)
> However, this generates:
> Error in class(ret$subseq) <- c("seqelist", "list") : 
>   attempt to set an attribute on NULLwhich is surprising because everything seems fine up until the fsubseq function is called.I’ve put the full dataset here:
> https://gist.github.com/aronlindberg/0421ca91dd598f74017e
> Best,
> Aron
> -- 
> Aron Lindberg
> Doctoral Candidate, Information Systems
> Weatherhead School of Management 
> Case Western Reserve University
> aronlindberg.github.io
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