Add Time Series Feature Engineering Support to BigFeat - #4

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MohannadAK wants to merge 74 commits into

feature/time-series-ops

Commits on Jun 17, 2021

Update setup.py
ShotaA
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b7e85c8
Update setup.py
Hassan-Eldeeb
authored
13d974d
Update setup.py
Hassan-Eldeeb
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9946676
Update setup.py
Hassan-Eldeeb
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793618f
Update setup.py
Hassan-Eldeeb
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e985da7

Commits on Feb 18, 2022

Create readme.md
Hassan-Eldeeb
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f4a326a
Update README.md
Hassan-Eldeeb
authored
5f096f0
Update README.md
Hassan-Eldeeb
authored
30d3800

Commits on Mar 8, 2022

default parameters updated
Hassan-Eldeeb
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05d563c

Commits on May 11, 2022

bug fixing
Hassan-Eldeeb
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fcde152

Commits on May 18, 2022

update: correlated features removal.
Hassan-Eldeeb
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a6200be

Commits on May 20, 2022

adding fAnova-based feature selection
Hassan-Eldeeb
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24df866

Commits on Sep 3, 2022

Update README.md
Hassan-Eldeeb
authored
ac9f4d5

Commits on Sep 13, 2022

update readme file
Hassan-Eldeeb
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0141dd0
Update README.md
Hassan-Eldeeb
authored
1067ba5

Commits on Dec 28, 2022

model selection is added
Hassan-Eldeeb
authored
e2dce56

Commits on Jan 11, 2023

Update setup.py
Hassan-Eldeeb
authored
be40bf9
Update setup.py
Hassan-Eldeeb
authored
457fd35
Update README.md
Hassan-Eldeeb
authored
f647345
Update README.md
Hassan-Eldeeb
authored
d23174f
Update README.md
Hassan-Eldeeb
authored
e1f433d

Commits on Mar 27, 2023

Update README.md
Hassan-Eldeeb
authored
8d297d0

Commits on Feb 4, 2024

adding metafeature of the training list
Hassan-Eldeeb
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de73763

Commits on Apr 21, 2025

Add regression support
MohannadAK
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97d3f6a

Commits on Apr 24, 2025

Update .gitignore to add .venv
MohannadAK
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4b89426
Add requirements.txt
MohannadAK
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984c18c
Update README.md
MohannadAK
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2e9c5a2
Merge pull request #1 from MohannadAK/master
Hassan-Eldeeb
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9416ada
Update .gitignore to add .venv
MohannadAK
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2df789f
Merge pull request #2 from MohannadAK/environment-setup
Hassan-Eldeeb
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0d58c1c
Add requirements.txt
MohannadAK
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9ba6a81
Update README.md
MohannadAK
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724d3b6
Merge branch 'master' of https://github.com/DataSystemsGroupUT/BigFeat into environment-setup
MohannadAK
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72ccd4e
Merge pull request #3 from MohannadAK/environment-setup
Hassan-Eldeeb
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2ce426b

Commits on Apr 27, 2025

Add benchmarking on different datasets and regressors/classifiers
MohannadAK
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576bc75

Commits on Aug 14, 2025

Add TS Operators
MohannadAK
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d0e5cac

Commits on Aug 15, 2025

Delete .idea directory
MohannadAK
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dcfc4a6

Commits on Aug 17, 2025

automated dev commit
MohannadAK
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4df2f01

Commits on Oct 19, 2025

Enhanced accuracy
MohannadAK
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18b5e99

Commits on Dec 5, 2025

Finalize Time series logic
MohannadAK
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7cd61d0

Commits on Dec 12, 2025

Add downsampling feature
MohannadAK
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cfd1b9a
Fix critical bugs
MohannadAK
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042a771
Update requirements.txt
MohannadAK
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ddb8173

Commits on Dec 15, 2025

Fix sorting bug in window detection mechanism and optimize time complexity
MohannadAK
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3797662
Fix grouping bug
MohannadAK
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ce6b3b1

Commits on May 6, 2026

Time series major release
MohannadAK
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8df523a

Commits on Aug 4, 2026

Fix packaging metadata and untrack large data artifact

MohannadAK
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claude
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ab0d711
Make fit() reproducible from random_state alone

MohannadAK
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fa66a79
Add characterization test suite

MohannadAK
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c1f5178
Fix transform() corrupting time-series features for reordered input

MohannadAK
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9c4d7ad
Fix look-ahead leakage, degenerate-input crash, and dropped tree path

MohannadAK
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0757a33
Make the pre-flight TS check run, be causal, and not compound

MohannadAK
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525635e
Make feature recipes self-describing instead of reading shared state

MohannadAK
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5256910

Commits on Aug 5, 2026

Roll over genuine time windows instead of approximating them as row counts

MohannadAK
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f7f3a98
Fix detector confidence metrics and extract a shared base class

MohannadAK
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7e10496
Infer sampling rate from data and stop truncating long pooled windows

MohannadAK
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86f5a79
Remove dead code and surface the hidden target log-transform

MohannadAK
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df436ec
Extract block downsampling from fit() into its own method

MohannadAK
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fa7558e

Commits on Aug 6, 2026

Document the correctness review, test suite, and benchmark

MohannadAK
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0fe5223
Document the core architecture

MohannadAK
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3347f7a
Add investigation plan for the benchmark results

MohannadAK
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a409b7c
Correct the investigation plan: committed benchmark results are stale

MohannadAK
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8f3fd6b

Commits on Aug 19, 2026

Add benchmark design document for the time-series publication

MohannadAK
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fac7faf
Audit the pipeline seams between period detection and generation

MohannadAK
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4d24c1b
Add pipeline fix spec and stage-by-stage design review

MohannadAK
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b05b103
Fix 1: ACF accepts fundamentals, not harmonics

MohannadAK
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a9ff2b9
Fixes 4+5: DFT proposes top-k spectral peaks; ladder keeps fundamentals

MohannadAK
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830583a
Fix 3: lag periods come from detected fundamentals

MohannadAK
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20cf981
Replace the stationarity gate: ADF instead of lag-1 autocorrelation

MohannadAK
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4fc84d7
R1: periodicity detection sees the target, not only the features

MohannadAK
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ea88e10
R2: cyclical sin/cos encodings at detected periods

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4388af0
Synthetic study: detection quality before/after the improvement series

MohannadAK
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ca20e89
Close both synthetic-study gaps: protected pool, one consensus list

MohannadAK
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9633dd0

Commits on Aug 20, 2026

Consolidate the improvement series into one document

MohannadAK
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a5cc86b