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TraMineR (version 1.8-13)

Trajectory Miner: a Toolbox for Exploring and Rendering Sequences

Description

Toolbox for the manipulation, description and rendering of sequences, and more generally the mining of sequence data in the field of social sciences. Although the toolbox is primarily intended for analyzing state or event sequences that describe life courses such as family formation histories or professional careers, its features also apply to many other kinds of categorical sequence data. It accepts many different sequence representations as input and provides tools for converting sequences from one format to another. It offers several functions for describing and rendering sequences, for computing distances between sequences with different metrics (among which optimal matching), original dissimilarity-based analysis tools, and simple functions for extracting the most frequent subsequences and identifying the most discriminating ones among them. A user's guide can be found on the TraMineR web page.

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Version

Install

install.packages('TraMineR')

Monthly Downloads

2,845

Version

1.8-13

License

GPL (>= 2)

Maintainer

Gilbert Ritschard

Last Published

October 6th, 2016

Functions in TraMineR (1.8-13)

Get or set the color palette of a sequence object

Example data set: Family life states from the Swiss Household Panel biographical survey

Multi-factor ANOVA from a dissimilarity matrix

Example data set: First 20 biofam sequences in SPELL form

Get or set the alphabet of a sequence object

Extracting sets of representative objects using a dissimilarity matrix

Example data set: Activity calendar from the Swiss Household Panel (time stamped event format)

Compute distances to the center of a group

Analysis of discrepancy from dissimilarity measures

Example data set: Activity calendar from the Swiss Household Panel

plot.stslist.freq

Plot method for sequence frequency tables

Example data set with missing values and weights

Example data set: Transition from school to work

Example data sets with weighted and unweighted sequence data

Dissimilarity Tree

Graphical representation of a dissimilarity tree

Terminal node membership

Plotting a seqdiff object.

Dissimilarity based discrepancy

Example data set: sequences of family formation

plot.stslist.modst

Plot method for modal state sequences

plot.stslist.statd

Plot method for objects produced by the seqstatd function

plot.subseqelistchisq

Plot discriminant subsequences

plot.stslist.rep

Plot method for representative sequence sets

Compare two state sequences

Computation details about a pairwise alignment

plot.subseqelist

Plot frequencies of subsequences

Read a distance matrix produced by TDA.

plot.stslist.meant

Plot method for objects produced by the seqmeant function

Plot method for state sequence objects

Extract state durations from a sequence object.

Event sequence object

Convert a character string into a vector of states or events

Create a state sequence object

Extract distinct states sequence from a sequence object

Dimension of a set of sequences

Multichannel distances between sequences

Position-wise discrepancy analysis between groups of sequences

Concatenate vectors of states or events into a character string

Distances (dissimilarities) between sequences

Checking for the presence of given event subsequences

Setting time constraints and the counting method

Identifying discriminating subsequences

Create a transition-definition matrix

Check if sequence contains events

Lengths of event sequences

Retrieve unique ids from an event sequence object.

Setting or retrieving weights of an event sequence object.

Searching for frequent subsequences

Create event sequence objects.

Random sequences generation

Check if sequences are in the compressed or extended format

Within sequence entropies

Conversion between sequence formats

Sequence length

Indexes of state sequence(s) x in state sequence object y

Plot a legend for the states in a sequence object

Search for the first occurrence of a given element in a sequence

Complexity index of individual sequences

State frequencies in each individual sequence

Plot state sequence objects

Find substring patterns in sequences

List of distinct states or events (alphabet) in a sequence data set.

State frequencies in the whole sequence data set

String representation of an event sequence object

Get or set the state labels of a sequence object

Recoding state sequence objects and factors

Extracting sets of representative sequences

Parallel coordinate plot for sequence data

Transform into a sequence object with numerical alphabet.

Adds separators to sequences stored as character string

Number of distinct subsequences in a sequence.

Compute the length of the longest common subsequence of two sequences

Sequences turbulence

Compute the length of the longest common prefix of two sequences

Frequency table of the sequences

Sequence of modal states

Number of matching positions between two sequences.

Number of transitions in a sequence

Compute transition rates between states

Tree structured analysis of a state sequence object.

Graphical rendering of a sequence regression tree

TraMineR-package

Trajectory Miner: a Toolbox for Exploring and Rendering Sequences

Logarithm of the probabilities of state sequences

Mean durations in each state

TraMineRInternal

Access to TraMineR internal functions

TraMineR.checkupdates

Check for TraMineR updates