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TraMineR (version 1.8-9)

Trajectory Miner: a Toolbox for Exploring and Rendering Sequences

Description

This is a 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

1.8-9

License

GPL (>= 2)

Maintainer

Gilbert Ritschard

Last Published

January 27th, 2015

Functions in TraMineR (1.8-9)

Get or set the color palette of a sequence object

Compute distances to the center of a group

Example data sets with weighted and unweighted sequence data

Concatenate vectors of states or events into a character string

plot.stslist.rep

Plot method for representative sequence sets

Analysis of discrepancy from dissimilarity measures

Compute the length of the longest common subsequence of two sequences

Setting time constraints and the counting method

Sequence of modal states

Example data set: Activity calendar from the Swiss Household Panel

Identifying discriminating subsequences

State frequencies in each individual sequence

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

Multi-factor ANOVA from a dissimilarity matrix

Example data set with missing values and weights

Create event sequence objects.

Transform into a sequence object with numerical alphabet.

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

Random sequences generation

Sequences turbulence

Check if sequence contains events

Adds separators to sequences stored as character string

TraMineR-package

Trajectory Miner: a Toolbox for Exploring and Rendering Sequences

Example data set: sequences of family formation

Number of matching positions between two sequences.

Sequence length

TraMineRInternal

Access to TraMineR internal functions

Find substring patterns in sequences

Convert a character string into a vector of states or events

Graphical representation of a dissimilarity tree

plot.stslist.meant

Plot method for objects produced by the seqmeant function

Extract distinct states sequence from a sequence object

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

Extracting sets of representative objects using a dissimilarity matrix

Logarithm of the probabilities of state sequences

Get or set the alphabet of a sequence object

Position-wise discrepancy analysis between groups of sequences

Dissimilarity Tree

Checking for the presence of given event subsequences

Create a transition-definition matrix

Plot state sequence objects

Dimension of a set of sequences

Create a state sequence object

Read a distance matrix produced by TDA.

Example data set: Transition from school to work

Compute the length of the longest common prefix of two sequences

plot.subseqelistchisq

Plot discriminant subsequences

Dissimilarity based discrepancy

Event sequence object

Searching for frequent subsequences

Within sequence entropies

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

Recoding state sequence objects and factors

Terminal node membership

Mean durations in each state

Complexity index of individual sequences

Compare two state sequences

Computation details about a pairwise alignment

Parallel coordinate plot for sequence data

Plotting a seqdiff object.

Multichannel distances between sequences

Plot a legend for the states in a sequence object

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

Tree structured analysis of a state sequence object.

Number of distinct subsequences in a sequence.

Conversion between sequence formats

Compute transition rates between states

Plot method for state sequence objects

Frequency table of the sequences

Number of transitions in a sequence

plot.stslist.freq

Plot method for sequence frequency tables

Setting or retrieving weights of an event sequence object.

plot.stslist.statd

Plot method for objects produced by the seqstatd function

String representation of an event sequence object

State frequencies in the whole sequence data set

Extracting sets of representative sequences

Get or set the state labels of a sequence object

Create a substitution-cost matrix

TraMineR.checkupdates

Check for TraMineR updates

Lengths of event sequences

plot.stslist.modst

Plot method for modal state sequences

plot.subseqelist

Plot frequencies of subsequences

Extract state durations from a sequence object.

Distances (dissimilarities) between sequences

Sequence of transversal state distributions and their entropies

Check if sequences are in the compressed or extended format

Graphical rendering of a sequence regression tree

Retrieve unique ids from an event sequence object.