10-04-2017
Version 1.2.0
Fixed
- Bug in predicting the next click. Absorption probabilities were not correct.
New
- Method hmPlot for ploting heatmaps from transition probabilities or absorption probabilities.

14-10-2016
Version 1.1.9
New
- Reference to JSS article

26-04-2016
Version 1.1.8
Fixed
- Incorrect absorbing probabilities when predicting the next states of a given pattern and markov chain object when one of the next states is an absorbing state (thanks to Sebastian Lechner for reporting the bug).

21-03-2016
Version 1.1.7
Fixed
- Compatibility problem with arules 1.4.0

08-01-2016
Version 1.1.6
Fixed
- Citation file was using deprecated arguments.
- Incorrect start probabilities.
- Incorrect prediction of cluster assignment when clustering clickstreams with an order > 0.

07-07-2015
Version 1.1.5
Fixed
- Compatibility problem with igraph 1.0.0
New
- Possibility to estimate markov chains with linear programming (default).

17-05-2015
Version 1.1.4
Improved
- Speed of several functions (thanks to Dennis Bohle <dennis.bohle@project-collins.com> for contributing some ideas to improve the performance of the package)
New
- Method for converting a Clickstreams-object to a data frame consisting of session-specific state frequencies.
- Method for converting a Clickstreams-object to an arules::transactions-object.

06-01-2015
Version 1.1.3
Fixed
- NAs when reading large clickstream data.

15-07-2014
Version 1.1.2
Fixed
- Deleted print-method for S4 classes.
New
- Added the possibility to define the number of digits in a Markov-chain-plot.

19-05-2014
Version 1.1.1
Fixed
- Bug in function clusterClickstreams with orders higher than the smallest clickstream
New
- Improved summary of clickstream clusters.

27-03-2014
Version 1.1.0
Fixed
- Wrong line breaks in readClickstreams.
- Wrong direction in MarkovChain plots.
- Wrong edge titles in MarkovChain plots.
New
- Function for clustering lists of clickstreams.
- Functions for printing and summarizing clickstream clusters.
- Function for writing a clickstream list to file.
- Possibility to use absorbing probabilities for predicting next states.