Projects in Awesome Lists tagged with tabular-data

https://bvaughn.github.io/react-virtualized/

React components for efficiently rendering large lists and tabular data

grid list listview performance react react-components tabular-data virtualization windowing

Last synced: 09 May 2025

https://github.com/bvaughn/react-virtualized

React components for efficiently rendering large lists and tabular data

grid list listview performance react react-components tabular-data virtualization windowing

Last synced: 09 Sep 2025

https://github.com/johnkerl/miller

Miller is like awk, sed, cut, join, and sort for name-indexed data such as CSV, TSV, and tabular JSON

command-line command-line-tools csv csv-format data-cleaning data-processing data-reduction data-regression devops devops-tools json json-data miller statistical-analysis statistics streaming-algorithms streaming-data tabular-data tsv unix-toolkit

Last synced: 14 May 2025

https://github.com/autogluon/autogluon

Fast and Accurate ML in 3 Lines of Code

autogluon automated-machine-learning automl computer-vision data-science deep-learning ensemble-learning forecasting gluon hyperparameter-optimization machine-learning natural-language-processing object-detection python pytorch scikit-learn structured-data tabular-data time-series transfer-learning

Last synced: 09 Sep 2025

https://github.com/vaexio/vaex

Out-of-Core hybrid Apache Arrow/NumPy DataFrame for Python, ML, visualization and exploration of big tabular data at a billion rows per second 🚀

bigdata data-science dataframe hdf5 machine-learning machinelearning memory-mapped-file pyarrow python tabular-data visualization

Last synced: 12 Dec 2025

https://github.com/saulpw/visidata

A terminal spreadsheet multitool for discovering and arranging data

cli csv datajournalism datawrangling devops-tools eda hdf5 json opendata pandas python reconciliation spreadsheet sqlite tabular-data tsv tui unix-toolkit

Last synced: 13 May 2025

https://github.com/awslabs/autogluon

Fast and Accurate ML in 3 Lines of Code

autogluon automated-machine-learning automl computer-vision data-science deep-learning ensemble-learning forecasting gluon hyperparameter-optimization machine-learning natural-language-processing object-detection python pytorch scikit-learn structured-data tabular-data time-series transfer-learning

Last synced: 05 Apr 2025

https://github.com/microsoft/flaml

A fast library for AutoML and tuning. Join our Discord: https://discord.gg/Cppx2vSPVP.

automated-machine-learning automl classification data-science deep-learning finetuning hyperparam hyperparameter-optimization jupyter-notebook machine-learning natural-language-generation natural-language-processing python random-forest regression scikit-learn tabular-data timeseries-forecasting tuning

Last synced: 13 May 2025

https://github.com/microsoft/FLAML

A fast library for AutoML and tuning. Join our Discord: https://discord.gg/Cppx2vSPVP.

automated-machine-learning automl classification data-science deep-learning finetuning hyperparam hyperparameter-optimization jupyter-notebook machine-learning natural-language-generation natural-language-processing python random-forest regression scikit-learn tabular-data timeseries-forecasting tuning

Last synced: 15 Mar 2025

https://github.com/priorlabs/tabpfn

⚡ TabPFN: Foundation Model for Tabular Data ⚡

data-science foundation-models machine-learning tabpfn tabular-data

Last synced: 11 May 2025

https://github.com/antonycourtney/tad

A desktop application for viewing and analyzing tabular data

csv data-analysis data-science database desktop-application duckdb parquet-viewer pivot-tables pivots tabular-data

Last synced: 22 Mar 2025

https://github.com/dreamquark-ai/tabnet

PyTorch implementation of TabNet paper : https://arxiv.org/pdf/1908.07442.pdf

deep-neural-networks machine-learning-library pytorch pytorch-tabnet research-paper tabnet tabular-data

Last synced: 14 May 2025

https://github.com/inokawa/virtua

A zero-config, fast and small (~3kB) virtual list (and grid) component for React, Vue, Solid and Svelte.

headlessui infinite-scroll performance react react-component scrolling solid svelte tabular-data virtual-list virtual-scroll virtualization virtualized vue windowing

Last synced: 12 May 2025

https://github.com/phoebussi/alpaca-cot

We unified the interfaces of instruction-tuning data (e.g., CoT data), multiple LLMs and parameter-efficient methods (e.g., lora, p-tuning) together for easy use. We welcome open-source enthusiasts to initiate any meaningful PR on this repo and integrate as many LLM related technologies as possible. 我们打造了方便研究人员上手和使用大模型等微调平台，我们欢迎开源爱好者发起任何有意义的pr！

alpaca chatglm chatgpt cot instruction-tuning llama llm lora moss p-tuning parameter-efficient pytorch tabul tabular-data tabular-model

Last synced: 15 May 2025

https://github.com/PhoebusSi/Alpaca-CoT

We unified the interfaces of instruction-tuning data (e.g., CoT data), multiple LLMs and parameter-efficient methods (e.g., lora, p-tuning) together for easy use. We welcome open-source enthusiasts to initiate any meaningful PR on this repo and integrate as many LLM related technologies as possible. 我们打造了方便研究人员上手和使用大模型等微调平台，我们欢迎开源爱好者发起任何有意义的pr！

alpaca chatglm chatgpt cot instruction-tuning llama llm lora moss p-tuning parameter-efficient pytorch tabul tabular-data tabular-model

Last synced: 14 Mar 2025

https://github.com/nhn/tui.grid

🍞🔡 The Powerful Component to Display and Edit Data. Experience the Ultimate Data Transformer!

datagrid datatable excel grid javascript preact reactivity spreadsheet tabular-data toast-ui treegrid typescript

Last synced: 14 May 2025

https://github.com/PriorLabs/TabPFN

⚡ TabPFN: Foundation Model for Tabular Data ⚡

data-science foundation-models machine-learning tabpfn tabular-data

Last synced: 23 Oct 2025

https://github.com/automl/auto-pytorch

Automatic architecture search and hyperparameter optimization for PyTorch

automl deep-learning pytorch tabular-data

Last synced: 14 May 2025

https://github.com/automl/Auto-PyTorch

Automatic architecture search and hyperparameter optimization for PyTorch

automl deep-learning pytorch tabular-data

Last synced: 01 Apr 2025

https://github.com/seldonio/alibi-detect

Algorithms for outlier, adversarial and drift detection

adversarial anomaly concept-drift data-drift detection drift-detection images outlier semi-supervised-learning tabular-data text time-series unsupervised-learning

Last synced: 13 May 2025

https://github.com/hitsz-ids/synthetic-data-generator

SDG is a specialized framework designed to generate high-quality structured tabular data.

agent data-generator deep-learning gan generative-ai llm machine-learning privacy synthetic-data tabular-data

Last synced: 13 May 2025

https://github.com/SeldonIO/alibi-detect

Algorithms for outlier, adversarial and drift detection

adversarial anomaly concept-drift data-drift detection drift-detection images outlier semi-supervised-learning tabular-data text time-series unsupervised-learning

Last synced: 26 Mar 2025

https://github.com/approximatelabs/sketch

AI code-writing assistant that understands data content

ai codex copilot data data-science dataframe datasketch datasketches df ds gpt3 lambdaprompt pandas python sketches tabular-data

Last synced: 30 Mar 2025

https://github.com/alexhallam/tv

📺(tv) Tidy Viewer is a cross-platform CLI csv pretty printer that uses column styling to maximize viewer enjoyment.

cli column command-line command-line-tool csv csv-cat csv-column csv-pretty-print csv-viewer csv-visualization data-science dataframe datatable pretty-print pretty-printer rust tabular-data terminal tibble

Last synced: 13 May 2025

https://github.com/juliadata/dataframes.jl

In-memory tabular data in Julia

data data-frame dataframes datasets hacktoberfest julia tabular-data

Last synced: 13 May 2025

https://github.com/JuliaData/DataFrames.jl

In-memory tabular data in Julia

data data-frame dataframes datasets hacktoberfest julia tabular-data

Last synced: 11 Apr 2025

https://github.com/Lightning-Universe/lightning-flash

Your PyTorch AI Factory - Flash enables you to easily configure and run complex AI recipes for over 15 tasks across 7 data domains

classification deep-learning fiftyone icevision machine-learning object-detection open3d pytorch pytorch-lightning pytorch-video tabular-data tasks-flash torch-geometric

Last synced: 23 Apr 2025

https://github.com/lightning-universe/lightning-flash

Your PyTorch AI Factory - Flash enables you to easily configure and run complex AI recipes for over 15 tasks across 7 data domains

classification deep-learning fiftyone icevision machine-learning object-detection open3d pytorch pytorch-lightning pytorch-video tabular-data tasks-flash torch-geometric

Last synced: 30 Sep 2025

https://github.com/manujosephv/pytorch_tabular

A standard framework for modelling Deep Learning Models for tabular data

deep-learning hacktoberfest machine-learning pytorch pytorch-lightning tabular-data

Last synced: 13 May 2025

https://github.com/capitalone/dataprofiler

What's in your data? Extract schema, statistics and entities from datasets

avro csv data-analysis data-labels data-science dataprofiling dataset gdpr graph-data machine-learning network-data nlp npi pandas pii privacy python security sensitive-data tabular-data

Last synced: 14 May 2025

https://github.com/capitalone/DataProfiler

What's in your data? Extract schema, statistics and entities from datasets

avro csv data-analysis data-labels data-science dataprofiling dataset gdpr graph-data machine-learning network-data nlp npi pandas pii privacy python security sensitive-data tabular-data

Last synced: 02 Apr 2025

https://github.com/eBay/tsv-utils

eBay's TSV Utilities: Command line tools for large, tabular data files. Filtering, statistics, sampling, joins and more.

cli command-line csv d data-mining data-science delimited-files dlang reservoir-sampling sampling shuffle statistics tabular-data tsv uniq

Last synced: 14 Apr 2025

https://github.com/ebay/tsv-utils

eBay's TSV Utilities: Command line tools for large, tabular data files. Filtering, statistics, sampling, joins and more.

cli command-line csv d data-mining data-science delimited-files dlang reservoir-sampling sampling shuffle statistics tabular-data tsv uniq

Last synced: 25 Mar 2025

https://github.com/sdv-dev/ctgan

Conditional GAN for generating synthetic tabular data.

data-generation generative-adversarial-network synthetic-data synthetic-data-generation tabular-data

Last synced: 13 May 2025

https://github.com/sdv-dev/CTGAN

Conditional GAN for generating synthetic tabular data.

data-generation generative-adversarial-network synthetic-data synthetic-data-generation tabular-data

Last synced: 02 May 2025

https://github.com/jrzaurin/pytorch-widedeep

A flexible package for multimodal-deep-learning to combine tabular data with text and images using Wide and Deep models in Pytorch

deep-learning images model-hub multimodal-deep-learning python pytorch pytorch-cv pytorch-nlp pytorch-tabular-data pytorch-transformers tabular-data text

Last synced: 14 May 2025

https://github.com/amaiya/ktrain

ktrain is a Python library that makes deep learning and AI more accessible and easier to apply

computer-vision deep-learning graph-neural-networks keras machine-learning nlp python tabular-data tensorflow

Last synced: 29 Apr 2025

https://github.com/nvidia-merlin/transformers4rec

Transformers4Rec is a flexible and efficient library for sequential and session-based recommendation and works with PyTorch.

bert gtp huggingface language-model nlp pytorch recommender-system recsys seq2seq session-based-recommendation tabular-data transformer xlnet

Last synced: 14 May 2025

https://github.com/NVIDIA-Merlin/Transformers4Rec

Transformers4Rec is a flexible and efficient library for sequential and session-based recommendation and works with PyTorch.

bert gtp huggingface language-model nlp pytorch recommender-system recsys seq2seq session-based-recommendation tabular-data transformer xlnet

Last synced: 05 Apr 2025

https://github.com/aws-samples/aws-machine-learning-university-accelerated-tab

Machine Learning University: Accelerated Tabular Data Class

deep-learning gluon machine-learning mxnet python sklearn tabular-data

Last synced: 13 Apr 2025

https://github.com/lucidrains/tab-transformer-pytorch

Implementation of TabTransformer, attention network for tabular data, in Pytorch

artificial-intelligence attention-mechanism deep-learning tabular-data transformer

Last synced: 12 Dec 2025

https://github.com/turicas/rows

A common, beautiful interface to tabular data, no matter the format

convert-data csv data data-science excel hacktoberfest python table tabular-data xls xlsx

Last synced: 14 May 2025

https://github.com/lamda-tabular/talent

A comprehensive toolkit and benchmark for tabular data learning, featuring 35+ deep methods, more than 10 classical methods, and 300 diverse tabular datasets.

tabular tabular-data tabular-data-benchmark tabular-data-deep-learning tabular-data-machine-learning tabular-data-toolkit tabular-methods

Last synced: 08 Oct 2025

https://github.com/datacanvasio/deeptables

DeepTables: Deep-learning Toolkit for Tabular data

afm autoint ctr-prediction dcn-model deep-learning deepfm factorization-machines fgcnn fibinet fm pnn structured-data tabular-data wide-and-deep xdeepfm

Last synced: 14 May 2025

https://github.com/adrienjoly/npm-pdfreader

🚜 Parse text and tables from PDF files.

data-extraction javascript parse-tables parsing pdf-converter pdf-reader rule-based-parsing tabular-data

Last synced: 14 May 2025

https://github.com/sdv-dev/copulas

A library to model multivariate data using copulas.

copulas data-generation generative-ai generative-model machine-learning synthetic-data synthetic-data-generation tabular-data

Last synced: 14 May 2025

https://github.com/georgian-io/Multimodal-Toolkit

Multimodal model for text and tabular data with HuggingFace transformers as building block for text data

huggingface-transformers multimodal-learning natural-language-processing tabular-data transformer

Last synced: 04 Apr 2025

https://github.com/georgian-io/multimodal-toolkit

Multimodal model for text and tabular data with HuggingFace transformers as building block for text data

huggingface-transformers multimodal-learning natural-language-processing tabular-data transformer

Last synced: 04 Apr 2025

https://github.com/ropensci/tabulapdf

Bindings for Tabula PDF Table Extractor Library

java pdf pdf-document peer-reviewed r r-package ropensci rstats tabula tabular-data

Last synced: 12 Dec 2025

https://github.com/vanderschaarlab/synthcity

A library for generating and evaluating synthetic tabular data for privacy, fairness and data augmentation.

data-augmentation fairness-ml generative-model machine-learning privacy pytorch synthetic-data tabular-data

Last synced: 16 May 2025

https://github.com/firmai/deltapy

DeltaPy - Tabular Data Augmentation (by @firmai)

augmentation data-augmentation data-science feature-engineering feature-extraction finance machine-learning tabular-data time-series

Last synced: 24 Oct 2025

https://github.com/juliadata/dataframesmeta.jl

Metaprogramming tools for DataFrames

data data-frame dataframes dataframesmeta datasets hacktoberfest julia tabular-data

Last synced: 14 May 2025

https://github.com/JuliaData/DataFramesMeta.jl

Metaprogramming tools for DataFrames

data data-frame dataframes dataframesmeta datasets hacktoberfest julia tabular-data

Last synced: 15 Mar 2025

https://github.com/desbordante/desbordante-core

Desbordante is a high-performance data profiler that is capable of discovering many different patterns in data using various algorithms. It also allows to run data cleaning scenarios using these algorithms. Desbordante has a console version and an easy-to-use web application.

anomaly-detection correlations data-analytics data-cleaning data-cleansing data-engineering data-exploration data-mining data-mining-algorithms data-preprocessing data-profiling data-science data-wrangling exploratory-data-analysis feature-engineering feature-extraction feature-selection knowledge-discovery spreadsheets tabular-data

Last synced: 22 Nov 2025

https://github.com/reubano/meza

A Python toolkit for processing tabular data

csv data excel featured functional-programming library pandas tabular-data xlsx xml

Last synced: 14 May 2025

https://github.com/carefree0910/carefree-learn

Deep Learning ❤️ PyTorch

algorithm automl computer-vision data-science deep-learning ensemble machine-learning numpy python pytorch tabular-data tabular-datasets

Last synced: 13 Apr 2025

https://github.com/Desbordante/desbordante-core

Desbordante is a high-performance data profiler that is capable of discovering many different patterns in data using various algorithms. It also allows to run data cleaning scenarios using these algorithms. Desbordante has a console version and an easy-to-use web application.

anomaly-detection correlations data-analytics data-cleaning data-cleansing data-engineering data-exploration data-mining data-mining-algorithms data-preprocessing data-profiling data-science data-wrangling exploratory-data-analysis feature-engineering feature-extraction feature-selection knowledge-discovery spreadsheets tabular-data

Last synced: 03 Apr 2025

https://github.com/Meteor-Community-Packages/meteor-tabular

Reactive datatables for large or small datasets

blaze datatable meteorjs tabular tabular-data

Last synced: 14 Mar 2025

https://github.com/meteor-community-packages/meteor-tabular

Reactive datatables for large or small datasets

blaze datatable meteorjs tabular tabular-data

Last synced: 16 Dec 2025

https://github.com/datacanvasio/hypergbm

A full pipeline AutoML tool for tabular data

adversarial-validation automl catboost dask dask-distributed datacleaning distributed-training ensemble-learning fullpipeline gbm gpu-acceleration lightgbm preprocessing pseudo-labeling rapidsai semi-supervised-learning sklearn tabular-data xgboost

Last synced: 15 May 2025

https://github.com/DataCanvasIO/HyperGBM

A full pipeline AutoML tool for tabular data

adversarial-validation automl catboost dask dask-distributed datacleaning distributed-training ensemble-learning fullpipeline gbm gpu-acceleration lightgbm preprocessing pseudo-labeling rapidsai semi-supervised-learning sklearn tabular-data xgboost

Last synced: 09 May 2025

https://github.com/continuum/active_importer

Define importers that load tabular data from spreadsheets or CSV files into any ActiveRecord-like ORM.

activerecord csv-files data-import importer orm ruby spreadsheet tabular-data

Last synced: 27 Mar 2025

https://github.com/scottrhoyt/SwiftyTextTable

A lightweight library for generating text tables.

carthage cocoapods command-line linux macos swift swift-package-manager tabular-data

Last synced: 06 Aug 2025

https://github.com/scottrhoyt/swiftytexttable

A lightweight library for generating text tables.

carthage cocoapods command-line linux macos swift swift-package-manager tabular-data

Last synced: 04 Apr 2025

https://github.com/tabularis-ai/be_great

A novel approach for synthesizing tabular data using pretrained large language models

data-generation deep-learning synthetic-data synthetic-dataset-generation tabular-data transformers

Last synced: 12 Jun 2025

https://github.com/abhijithneilabraham/tableqa

AI Tool for querying natural language on tabular data.

ai csv database machine-learning nl2sql nlp qa querying-natural-language question-answering sql sql-generation sql-query table-qa tableqa tabular-data

Last synced: 04 Apr 2025

https://github.com/openml/openml-python

OpenML's Python API for a World of Data and More 💫

benchmarking data datascience machine-learning meta-learning openml python tabular-data

Last synced: 10 Apr 2025

https://github.com/sdv-dev/TGAN

Generative adversarial training for generating synthetic tabular data.

generative-adversarial-network synthesizing-tabular-data synthetic-data tabular-data

Last synced: 02 May 2025

https://github.com/sdv-dev/tgan

Generative adversarial training for generating synthetic tabular data.

generative-adversarial-network synthesizing-tabular-data synthetic-data tabular-data

Last synced: 06 Apr 2025

https://github.com/sdv-dev/sdgym

Benchmarking synthetic data generation methods.

benchmark deep-learning generative-adversarial-network generative-ai generative-models sdgym-synthesizers synthetic-data synthetic-data-vault tabular-data

Last synced: 15 May 2025

https://github.com/ExtractTable/ExtractTable-py

Python library to extract tabular data from images and scanned PDFs

extracttable image-table-recognition ocr pdf-table-extract table-extraction tabular-data

Last synced: 02 Apr 2025

https://github.com/sdv-dev/SDGym

Benchmarking synthetic data generation methods.

benchmark deep-learning generative-adversarial-network generative-ai generative-models sdgym-synthesizers synthetic-data synthetic-data-vault tabular-data

Last synced: 02 May 2025

https://github.com/keithknott26/datadash

Visualize and graph data in the terminal

chart charting csv go golang graph graphing graphing-application streaming-data tabular-data terminal-based terminal-ui tsv

Last synced: 03 Apr 2025

https://github.com/aws-samples/aws-machine-learning-university-dte

Machine Learning University: Decision Trees and Ensemble Methods

boosting catboost decision-trees lightgbm machine-learning random-forest tabular-data xgboost

Last synced: 10 May 2025

https://github.com/worldbank/REaLTabFormer

A suite of auto-regressive and Seq2Seq (sequence-to-sequence) transformer models for tabular and relational synthetic data generation.

data-generation deep-learning gpt gpt-2 seq2seq-model synthetic-data synthetic-dataset-generation tabular-data transformers

Last synced: 17 Aug 2025

https://github.com/worldbank/realtabformer

A suite of auto-regressive and Seq2Seq (sequence-to-sequence) transformer models for tabular and relational synthetic data generation.

data-generation deep-learning gpt gpt-2 seq2seq-model synthetic-data synthetic-dataset-generation tabular-data transformers

Last synced: 04 Jan 2026

https://posit-dev.github.io/pointblank/

Data validation made beautiful and powerful

data-quality data-testing data-validation easy-to-understand tabular-data

Last synced: 22 Jun 2025

https://github.com/ygzwqzd/lamda-ssl

30 Semi-Supervised Learning Algorithms

automl computer-vision deep-learning generative-model gnn graph inductive-learning machine-learning natural-language-processing neural-network python pytorch scikit-learn self-supervised-learning semi-supervised-learning support-vector-machine svm tabular-data toolkit transductive-learning

Last synced: 05 Apr 2025

https://github.com/rubycocos/csvreader

csvreader library / gem - read tabular data in the comma-separated values (csv) format the right way (uses best practices out-of-the-box with zero-configuration)

csv csv11 csvhash csvrecord export import json numerics tab tabular tabular-data

Last synced: 21 Aug 2025

https://github.com/nirum/tableprint

Pretty console printing :clipboard: of tabular data in python :snake:

display print python tabular-data terminal

Last synced: 05 Apr 2025

https://github.com/priorlabs/tabpfn-client

⚡ Easy API access to the tabular foundation model TabPFN ⚡

data-science foundation-models machine-learning tabpfn tabular-data

Last synced: 16 May 2025

https://github.com/AstraZeneca/SubTab

The official implementation of the paper, "SubTab: Subsetting Features of Tabular Data for Self-Supervised Representation Learning"

contrastive-learning multi-view-learning representation-learning self-supervised-learning tabular-data

Last synced: 01 May 2025

https://github.com/astrazeneca/subtab

The official implementation of the paper, "SubTab: Subsetting Features of Tabular Data for Self-Supervised Representation Learning"

contrastive-learning multi-view-learning representation-learning self-supervised-learning tabular-data

Last synced: 08 May 2025

https://github.com/sl-solution/inmemorydatasets.jl

Multithreaded package for working with tabular data in Julia

data-manipulation data-wrangling dataframes dataset efficient high-performance in-memory join julia multithreaded tabular-data

Last synced: 17 Aug 2025

https://github.com/sjmikler/progress-table

Display progress as a pretty table in the command line.

progress-bar tabular-data terminal-based

Last synced: 12 Apr 2025

https://github.com/openalloc/SwiftTabler

A multi-platform SwiftUI component for tabular data

coredata swift swift-coredata swift-lang swift-language swiftui swiftui-binding swiftui-components swiftui-grid swiftui-list swiftui-scrollview swiftui-tables tables tableview tabular-data tabular-editor

Last synced: 28 Mar 2025

https://github.com/openalloc/swifttabler

A multi-platform SwiftUI component for tabular data

coredata swift swift-coredata swift-lang swift-language swiftui swiftui-binding swiftui-components swiftui-grid swiftui-list swiftui-scrollview swiftui-tables tables tableview tabular-data tabular-editor

Last synced: 09 Apr 2025

https://github.com/yubowenok/visflow

Web-based Dataflow Framework for Visual Data Exploration

dataflow tabular-data visflow visualization visualization-framework

Last synced: 11 Apr 2025

https://github.com/dholzmueller/pytabkit

ML models + benchmark for tabular data classification and regression

deep-learning deep-neural-networks deeplearning machine-learning tabular tabular-data tabular-data-package tabular-methods tabular-model

Last synced: 16 May 2025

https://github.com/ajayarunachalam/msda

Library for multi-dimensional, multi-sensor, uni/multivariate time series data analysis, unsupervised feature selection, unsupervised deep anomaly detection, and prototype of explainable AI for anomaly detector

anamoly-detection-using-graphs anomaly-detection correlation data-analysis deep-learning deep-neural-networks explainable-artificial-intelligence feature-engineering feature-selection multidimensional-data multisensor python pytorch sensor sensor-data signal-processing tabular-data time-series variation visualization