Data Science Stack Exchange
Data Science Stack Exchange

Questions tagged [sequential-pattern-mining]

55 questions
22
votes
7 answers

Good "frequent sequence mining" packages in Python?

Has anyone used (and liked) any good "frequent sequence mining" packages in Python other than the FPM in MLLib? I am looking for a stable package, preferable stilled maintained by people. Thank you!
Edamame
  • 2,785
  • 5
  • 25
  • 34
4
votes
0 answers

How's frequent pattern mining in data mining?

I am reading a paper Frequent pattern mining:current status and future directions. From this paper I learned that a lot of people did some interesting jobs in this field. But this review is published in 2007. And as the size of data becomes bigger…
Will Cai
  • 153
  • 4
4
votes
1 answer

If a time series has random time events, how to detect patterns?

My app receives messages with a random number of bits at a random time. But two weeks ago I started to notice some almost regular patterns on the metrics of my app. I suspect they are some bots sending artificially generated data to my app.…
Jocer
  • 143
  • 5
3
votes
1 answer

Is sequential pattern mining possible with machine learning?

I am curious if sequential pattern mining algoritmhs fill a unique gap or the same thing can be achieved with alternative methods for example wih machine learning or something else. Do you know any alternative methodology that can achieve the same…
inf3rno
  • 133
  • 5
3
votes
1 answer

How to update the posterior belief when we are observing a stream of correlated data from a fixed but unknown data source

I want to build a [probabilistic] model that aims to infer the true value of an unknown categorical variable, $y \in \{1,2,..., K\}$. We have a dataset $(X,y): \mathbb{R}^d\rightarrow \{1,2,..., K\}$ and we can train a classifier that gives…
Mo-
  • 1,255
  • 1
  • 10
  • 26
3
votes
0 answers

Time series pattern recognition

I have measured stress at 1 million points inside a material at 100 time steps. I have made a probability distribution plot for three time steps and I see that the evolution of stress looks like this: I was wandering if I can use some machine…
user134439
  • 31
  • 2
3
votes
2 answers

Collection Of Variable Length Sequences and Descriptions: A Search Problem

I have a tough problem and need some advice: Suppose I have a collection of variable length sequences, many of which are unique -- imagine the moves to a chess game, eg d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 c5 O-O Bg4 ... and for each item in…
elliptic_kid
  • 31
  • 2
3
votes
2 answers

Supervised Learning on Sequential data

I am doing credit risk modelling on costumer transaction data a part of which looks like this : str(x) 'data.frame': 412516 obs. of 26 variables: $ Tenure : num 1.26 1.25 1.26 1.31 1.32 ... $ Product : Factor w/ 24 levels…
Dhruv Mahajan
  • 378
  • 1
  • 11
3
votes
2 answers

best python library for finding sequential rules mining?

I want to do sequence learning for that I want to find frequent sequential rules ,this rule consider the order of occurrence
vikas ray
  • 41
  • 2
  • 4
3
votes
2 answers

How to find common patterns in thousands of strings?

I don't want to find "abc" in strings ["kkkabczzz", "shdirabckai"] Not like that. But bigger patterns like this: If I have to _________, then I will ___. ["If I have to do it, then I will do it right.", "Even if I have to make it, I will not make it…
Mohit Gangrade
  • 131
  • 1
  • 4
3
votes
0 answers

What algorithms exist for identify repeating patterns in a single image?

I am looking for algorithms or models for detecting and identifying repeated patterns contained within a single image. For example, an arbitrary smaller image might be pasted at random locations in the image. In the situation at hand, no prior…
dannycbus
  • 133
  • 5
2
votes
0 answers

Which one to choose to identify patterns of user activity: Sequence analysis or process mining?

I have the following user activity data that where for each user the activity type they were engaged are recorded along with the phase: User | Phase | ActivityType | Date 321 1 A 12/20/2020 15:00 321 1 B …
renakre
  • 111
  • 5
2
votes
1 answer

How to find pattern in sequential data?

I have multiple sequential data that lead up to an event. All I want to do if find the equivalent sequential data or a pattern that leads to the event. The data is also multivariate so I want to consider multiple features rather than just a column.…
Kyrios
  • 21
  • 1
2
votes
0 answers

ACF (Autocorrelation) estimation

I have two signals "Signal A" and Signal B" and I plot the autocorrelation for each signal with itself as shown below. How I can determine which signal has a stronger correlation with itself. To calarify more, I want to answer this question :…
Neno M.
  • 165
  • 2
  • 8
2
votes
1 answer

Clustering events in a sequence

I have a sequence of recurring events that I would to group together into representing different operation activities of the underlying process. These events may have an order in their occurrence; or maybe not. Consequently, I would like to explore…
bb5kb
  • 33
  • 3
1
2 3 4