Get the number of strings in the list

Get the number of templates inside a given cluster :return: an integer: number of templates

Convert the list of words to one string

Adds a template to the chromosome :param template: an object of type Template :return: the template will be added to the cor

Fit and transform the training set X_Seq: ndarray, log sequences matrix term_weighting: None or `tf-idf` length_perc

Generates a Template from a cluster

Compare two lists of strings :param message: a message from the log file :param template: a template from the chromosome :return: True if

Get the number of clusters inside the chromosome :return: an integer: number of cluster

Returns the total number of templates of a chromosome

checks each variable element in a template agiants the values of the matched lines :param chromosome: the chromosome with the templates

Evaluate a chromosome compute 2 objectives: - frequency: #matched log messages ((/#log messages)/#templates)

Deletes the template from the given cluster id :param index: cluster id :return the cluster without

Adds a log message to messages :param message: an object of type Message :return: the attribute messages with an additional element

Sets the status of a template to True if one of its tokens changes, else the status is False (not changed)

turns input data_frame into a 2 columned dataframe with columns: BlockId, EventSequence where EventSequence is a list of the events that

Gets the number of strings in the list

Prints the content of a chromosome :return: all templates as a string

transforms x test X_seq : log sequence data

Append a template. This internal function may be called by the LogDatabase class too. Args: template: a new templa

Tournament selection based on dominance (D) between two individuals, if the two individuals do not interdominate the selection is made based o

Create a chromosome with 100 coverage for each cluster the created chromosome shuold have the same keys as the messages of the chromo

Returns the status of the template (changed or did not change)

loads test data of 100 rows

Function to transform log file to dataframe

compresses time images that had more sequences then the set max sequence length

right pads events sequence until max sequence length long

Compare two lists of strings :param template1: first template :param template2: second template :return: True if template1 is a "sub-set"

creates an array of arrays of windows output array is of length: len(sequence) - window_size + 1

Use local search, for each log, find the group that it should be moved to. in this process, termpairs occurange should also make some cha

Function to generate regular expression to split log messages

Applies mutation on a chromosome modify an existing template from a cluster :param ch: chromosome to mutate :return: the modi

Abstract templates bin by bin