Questions tagged [traminer]
The R TraMineR library is a toolbox for exploring and rendering categorical sequence data such as sequences describing family life trajectories or professional careers. This "traminer" tag is intended for questions related to the usage including data preparation and output handling of TraMineR and its companion TraMineRextras, WeightedCluster, and PST packages.
traminer
224
questions
1
vote
1
answer
59
views
Neglecting time in state sequence
I have a sequence of events that happens over a very long period of time (123). There are over 200 states. The sample is composed of 110 firms. There are 8 different events.
The range of the time is ...
1
vote
1
answer
168
views
Reduce the range of time in sequence analysis with R
I have a sequence that happens over a very long period of time. I tried 8 different algorithms to classify my sequences (OM, CHi2,...). Time goes from 1 to 123. I have 110 individual and 8 events.
...
1
vote
1
answer
111
views
Discrepancy analysis and weighted sequence data: where do I find my group variable?
I'm trying out discrepancy analysis. Due to the large size of my sequence data I'm using the weights with the WeightedCluster package. Everything works smoothly until the point when I get to the ...
1
vote
1
answer
1k
views
PST: Error in names(StCol) <- A : attempt to set an attribute on NULL
Consider the following code:
library(PST)
library(TraMineR)
library(RCurl)
x <- getURL("https://gist.githubusercontent.com/aronlindberg/c79be941bc86274f4526705600962789/raw/...
1
vote
1
answer
176
views
Converting TSE data to STS with TraMineRextras
I have a data set which is formatted like TSE:
Event is a code of the mode of entry (1 is export, 2 to 5 is partenariat, 6 to 7 is Acq.Mino, 8 is Acq_Majo). Country is not used.
I would like to ...
0
votes
2
answers
96
views
How to group same observation in a dataframe to one group [closed]
I have a dataframe with diagnosis in the x-axis (from diagnosis 1 to 30) and ID-numbers in the y-axis. The observations is the different diagnosis the patient have gotten by the doctor.
I had a ...
1
vote
1
answer
48
views
C_cstringrefseqdistance and C_cstringdistance functions in TraMineR R package [closed]
I cannot access the source codes for C_cstringrefseqdistance and C_cstringdistance C functions used by the seqdist() function in the TraMineR R package. Do you know if these source codes have been ...
1
vote
1
answer
132
views
Setting the "tpow" and "expcost" arguments in TraMineR::seqdist
I'm actually working on the pathways of inpatients during their hospital stay. These pathways are represented as states sequences (the current medical unit at each time unit) and I'm trying to find ...
1
vote
0
answers
31
views
What is the algorithm under the function seqefsub?
I wonder what is the underliyng algorithm implemented in the function seqefsub. In the book chapter "Exploratory mining of life event histories", and I found this:
Efficient algorithms for ...
3
votes
1
answer
71
views
Omit output when calling seqdef
I wonder if it is possible to omit the output of the function seqdef of TraMineR. I do not see any verbose argument or similar.
Thank you!
Víctor
1
vote
1
answer
469
views
How to compute dissimilarities between sequences when sequences contain gaps?
I want to cluster sequences with optimal matching with TraMineR::seqdist() from data that contains missings, i.e. sequences containing gaps.
library(TraMineR)
data(ex1)
sum(is.na(ex1))
# [1] 38
sq &...
2
votes
3
answers
182
views
How to get the largest possible column sequence with the least possible row NAs from a huge matrix?
I want to select columns from a data frame so that the resulting continuous column-sequences are as long as possible, while the number of rows with NAs is as small as possible, because they have to be ...
2
votes
1
answer
468
views
Difficulty reproducing the chi-square distance calculation produced by the seqdist() function of Traminer package (in R) using the associated formula
I've been doing some exploratory analysis of data in the form of ordered sequences of categorical states, e.g. sequence x = A,A,B,D... etc.
I've been using the Traminer package in R to do this ...
1
vote
1
answer
122
views
TraMineR refseq
I use the function seqdist from package TraMineR.
First I calculate on 2 trajectories in seq.all :
seqdist(seq.all[1:2,], method="OM", indel=1.1, sm=couts)
[,1] [,2]
[1,] 0.00000 46....
1
vote
1
answer
168
views
TraMineR for time-use data with over hundred different activities
I'm trying to analyse sequences with TraMineR
UKTUS records people activities for every 10 minutes defined by the dataset as act1_1, act1_2,...,act1_144 variables (144 x 10 minutes).
Each time ...