All Questions
8 questions
0
votes
0
answers
302
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Cross correlation of time series in a cluster
I have 15000 time series each of length 288 (corresponding to a sample taken every 5 minutes during a single day), and I want to group these time series by how similar they are based on shape and y-...
- 803
1
vote
1
answer
192
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Find similar stores on the basis of their monthly sales values and trend
I have a bunch of stores data and I want to find similar stores (Time period 1 year, monthly data) based on combination of two steps:
1) Month on month sales value of store A should be similar to ...
- 163
0
votes
2
answers
725
views
Technique for matching trend as well as magnitude of a time series
I have store level data which can range from 3 months to 1 year. This data is basically store weekly level data. For a given store I want to cluster stores as similar stores based on any input ...
- 163
1
vote
2
answers
296
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How to sort multiple time-series based on "shape"?
Consider the following toy data:
All prices have been normalised using
$${Price_{Norm} = \frac{Price_{current} - Price_{Min}}{Price_{Max} - Price_{Min}}}$$
Item : Prices
Apples : 0.0, 0.4, 0.8, ...
- 676
6
votes
1
answer
7k
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Whats the difference between applying Correlation and DTW in a Time Series
I have a Financial Time Series from a database and intend to cluster the time series based on their similarity. How would it be different to cluster them based on their pairwise Correlation and ...
- 73
-1
votes
1
answer
261
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Which clustering approach represents my time-series data
I have time-series data of 12 consumers. The data corresponding to 12 consumers (named as a ... l) is
I want to cluster these consumers so that I may know which ...
- 539
2
votes
0
answers
316
views
Comparing pop singers performance over time? (Comparing polynomials)
I've got a bunch of data on pop singers' performance on the Hot 100 charts over time, and I'm trying to compare the early part of different artists' careers. For example, I might look compare Miley ...
- 419
4
votes
1
answer
639
views
How do I do temporal correlations of matrices?
I have a some data like the following explaining the presence of a relation between various entities (A,B,C,...) in my system at time ...
- 4,552