Data analysis | Ecosyste.ms: Awesome

https://github.com/mattsebastianh/Analyze-Data-with-Python-Portfolio-Project

Analyze Data with Python

barplot categories chi-square-test conservation contingency-table crosstab data-analysis data-cleaning-and-preprocessing eda endangered-species matplotlib national-parks pandas-dataframe species species-conservation

Last synced: 18 Jun 2026

https://github.com/dhruwsunita/zomato-data-analysis-project

Zomato data analysis project using Python.

data-analysis data-visualization jupyter-notebook matplotlib numpy pandas-dataframe python

Last synced: 08 May 2026

https://github.com/parsabordbar/ctx3docs

The Documentation for context Tree Project.

ai-tools context ctx3 ctx3-docs data-analysis documentation tree workflow

Last synced: 25 Jun 2026

https://github.com/josewebdev2000/ztm-python-course

Challenges and Guided Projects from ZTM Python Course

automation data-analysis functional-programming oop python python3 regex scripting testing web-development

Last synced: 10 Jun 2026

https://github.com/henriquetourinho/s.i.g.m.a

Plataforma de busca e análise de arquivos para Linux, com GUI avançada em PySide6 e foco em metadados ricos para investigações profundas.

data-analysis developer-tools file-search metadata open-source pyqt pyside6 python python-brasil qt6 sysadmin-tools

Last synced: 24 Apr 2026

https://github.com/pedrosfaria2/analisandopostshn

Projeto para analisar as postagens da comunidade HackerNews

analise-de-dados data-analysis datetime jupyter-notebook matplotlib python python3

Last synced: 08 May 2026

https://github.com/ayushsiloiya619/online-food-orders-analysis

Data Analytics with Python

data-analysis data-visualization matplotlib pandas-dataframe python3 seaborn-python

Last synced: 08 May 2026

https://github.com/ryan-wong1/analyzing-arrest-patterns-in-chicago-data-analysis

Chicago Police Department (CPD) arrest data on offenses, locations, and demographics

data-analysis data-cleaning data-visualization exploratory-data-analysis matplotlib pandas python seaborn

Last synced: 08 May 2026

https://github.com/ibttf/bayborhood

Interactive map to find the ideal neighborhood in San Francisco based on data.

data data-analysis data-visualization gis mapbox react

Last synced: 18 Jun 2026

https://github.com/lotfiferaga/amazon-alexa-reviews-sentiment-analysis

Amazon Alexa, developed by Amazon, allows users to interact with technology through voice commands. Analyzing user sentiments about Alexa, with over 40 million users worldwide, is an intriguing data project.

classification data-analysis python sentiment-analysis

Last synced: 18 Jun 2026

https://github.com/duoan/ds-nbs

Data analysis and machine learning notebook.

data-analysis data-scientists deep-learning kaggle-competition machine-learning

Last synced: 18 Jun 2026

https://github.com/souza-vitor/stock-market

codecademy data data-analysis data-mining data-science sql sqlite

Last synced: 26 Jun 2026

https://github.com/mumtaz4118/amazon-iphone-12-data-scrapped

Beautiful Soup is a Python library for getting data out of HTML, XML, and other markup languages.

data-analysis data-extraction data-science data-scraping html mark-up python

Last synced: 27 Apr 2026

https://github.com/arush-codes/paris-olympic-de

data engineering project on paris olympics 2024

azure data-analysis data-engineering microsoft-azure olympics2024 pipeline

Last synced: 27 Apr 2026

https://github.com/cnoret/ibm-data-analyst-professional

Final project & Courses Notebooks

analyzing-data data-analysis data-analyst data-manipulation data-science data-visualization ibm ibm-certificate ibm-data-analyst-professional ibm-datascience-certification pandas python

Last synced: 09 May 2026

https://github.com/httpsnooow/graphs-analysis-neo4j

Challenges from the "Neo4J - Data Analysis with Graphs" course by Digital Innovation One (DIO).

challenge data-analysis data-engineering data-science graph neo4j neo4j-database neo4j-graph

Last synced: 18 Jun 2026

https://github.com/l1ght14/customer-churn-prediction

Predict customer churn using machine learning models like Logistic Regression and Random Forest. Includes data preprocessing, model evaluation, feature importance, and insights to drive retention strategies.

churn-prediction classification customer-churn customer-churn-prediction data-analysis logistic-regression machine-learning python random-forest scikit-learn telecom

Last synced: 09 May 2026

https://github.com/mrunmayee3108/financial-chatbot

A Python chatbot for analyzing financial data of companies with revenue, income, assets, cash flow, and debt ratio queries

chatbot data-analysis jupyter-notebook pandas python python3

Last synced: 09 May 2026

https://github.com/ranagaballah/true-fake-news

True Fake News Detector NLP model

data-analysis data-science data-visualization deployment machine-learning matplotlib nlp numpy pandas python

Last synced: 09 May 2026

https://github.com/pararang/nams-thesis-fuzzy

A specialized data processing tool designed to help with Fuzzy Delphi Method calculations for thesis research data analysis. Then extended with some new features for data processing with different method.

data-analysis dematel hacktoberfest hacktoberfest-accepted house-of-quality python sustainability vibecoding

Last synced: 27 Apr 2026

https://github.com/drod75/burger_king_analysis

A simple analysis on a burger king dataset.

data-analysis data-visualization jupyter-notebook pandas python seaborn

Last synced: 09 May 2026

https://github.com/suhas-005/eda-indian-startup-funding

Exploratory Data Analysis on Indian Startup Funding (2015-2020)

data-analysis data-analytics data-science data-visualization exploratory-data-analysis matplotlib pandas python seaborn startup-funding

Last synced: 09 May 2026

https://github.com/rizkipragustono/data_analysis_spark

Exploration: Data Analysis using Spark

apache-spark data-analysis pyspark python spark-sql sql

Last synced: 09 May 2026

https://github.com/emanoelcampos/python-onemonth

This repository contains educational materials and projects developed during a Python course offered by OneMonth. It covers Python basics, intermediate concepts, web development with Flask, and data analysis with pandas. The course is structured into weeks, each focusing on a different aspect of Python programming and its applications.

data-analysis flask jupyter-notebook onemonth python python3

Last synced: 09 May 2026

https://github.com/moshora99/sql-data-warehouse-project

Build modern data warehouse with mysql, Including ETL processes, data modeling and analytics

data-analysis data-engineering data-science database datawarehouse datawarehousing etl scheme sql sql-query sql-server

Last synced: 27 Apr 2026

https://github.com/mehtadigisha/clean-visualize-analyze

Clean Visualize Analyze

cleaning-data data-analysis data-cleaning data-visualization eda juypter-notebook pandas python seaborn seaborn-plots visualization

Last synced: 09 May 2026

https://github.com/strixion/demoversion_ai

The demoversion of StrixionAI

ai csv data-analysis data-analytics json python txt

Last synced: 24 Apr 2026

https://github.com/misszeferino/cyclistic-bike-share-analysis

Data Analysis using R

data-analysis ggplot2 lubridate r r-programming tidyverse

Last synced: 06 Jun 2026

https://github.com/urmesthamondal/data_analysis_projects

Portfolio Data analysis projects built using Excel, Python, SQL and for visualization used Power bi .

data-analysis pivot-tables powerbi python sql sql-server visualisation

Last synced: 09 May 2026

https://github.com/dgraves4/cms-hospital-quality-analytics

Python analytics project using CMS hospital quality data to clean, summarize, and visualize hospital ratings, reporting patterns, and facility characteristics.

cms-data data-analysis eda healthcare-analytics matplotlib pandas python

Last synced: 19 Jun 2026

https://github.com/abhroroy365/market_analysis

This project explores customer segmentation and market analysis in the context of online retail using an online retail dataset. By applying advanced analytics, we aim to uncover insights that can drive strategic decisions and enhance business performance.

clustering data data-analysis data-visualization kmeans-clustering machine-learning market-analysis python silhouette-analysis

Last synced: 09 May 2026

https://github.com/swapnanildutta/prediction-with-python

The projects are made using Jupyter Notebook

data-analysis jupyter-notebook machine-learning prediction python regression-models

Last synced: 27 Apr 2026

https://github.com/lotfiferaga/energeiahub

data-analysis data-visualization energy-consumption python streamlit

Last synced: 09 May 2026

https://github.com/prady2309/unemployement-analysis

Data Science Project

colab-notebook data-analysis data-science data-visualization eda jupyter-notebook machine-learning python3

Last synced: 26 Apr 2026

https://github.com/rodrigojunqueiradev/curso-python-3-do-basico-ao-avancado

Curso de Python 3 do básico ao avançado - com projetos reais

data data-analysis data-science python python-3 python-library python-script python3

Last synced: 27 Jun 2026

https://github.com/master-helix/ibm-data-analyst-certification-stock-analysis-project

This is a mini project repository of my IBM Certification involving stock analysis and plotting of Tesla and GameStop

analytics data data-analysis data-visualization ibm matplotlib pandas python web-scraping

Last synced: 09 May 2026

https://github.com/mktechai-0786/data-analysis-on-dr-visits

Data Analysis On Dr. Visits dataset

data-analysis matplotlib-pyplot numpy pandas seaborn

Last synced: 09 May 2026

https://github.com/tranngoca5039/bigquery-a5y

📊 Streamline your data analysis with bigquery-a5y, a powerful tool for optimizing BigQuery performance and improving query efficiency.

analytics api big-data bigquery cloud-computing data-analysis data-integration data-management data-pipeline data-visualization data-warehouse google-cloud machine-learning serverless sql

Last synced: 05 Jun 2026

https://github.com/ys1f/geothermal_project

Geothermal Data Analysis & Visualization for Texas – well data, temperature gradients & zone mapping

bht bottom-hole-temperature data-analysis folium geopandas geospatial geothermal gis interpolation irena jupyter-notebook mapping python rasterio spatial-analysis temperature-gradient texas visualization well-data zone-mapping

Last synced: 26 Apr 2026

https://github.com/rociobenitez/happiness-index-data-processing

Repository for Big Data Processing - Contains Jupyter Notebooks and Datasets for data analysis and processing tasks related to Big Data.

big-data big-data-processing data-analysis data-processing happiness-index happiness-report jupyter-notebook matplotlib pandas seaborn

Last synced: 15 May 2026

https://github.com/vadniks/akabigdata

Technologies and tools for big data analysis

applied-mathematics association-rule-learning classification clustering data-analysis data-visualization ensemble-learning machine-learning-algorithms python3 statistics

Last synced: 23 Sep 2025

https://github.com/devexpress-examples/wpf-pivotgrid-customize-the-cell-template

This example demonstrates how to customize the cell appearance in Pivot Grid for WPF.

data-analysis dotnet dxpivotgrid pivot-grid pivot-grid-for-wpf wpf

Last synced: 26 Apr 2026

https://github.com/marvinmarnold/oipm_stop_search

OIPM's analysis on Stop & Search (frisk) activity by the New Orleans Police Department.

data-analysis frisk new-orleans oipm police search stop

Last synced: 22 Jul 2025

https://github.com/chandansoren/customer-personality-analysis

Predict how different customer segments will respond for a particular product or service.

data-analysis data-visualization python

Last synced: 26 Apr 2026

https://github.com/mysto-007/world_population_growth_analysis

World Population Growth Analysis

data-analysis data-science data-visualization kaggle matplotlib

Last synced: 25 Apr 2026

https://github.com/alinababer/covid19-timeseries-cases-and-deaths-forecasting-

This study is based on confirmed cases and deaths collected from Pakistan. Results demonstrate the promising potential of TIME SERIES model in forecasting COVID-19 cases and highlight the superior performance of the time series compared to the LSTM.we apply AI-based forecasting models such time series ARIMA, LSTM, prophet and VAR.

arima covid-19 data-analysis data-science data-visualization fbprophet forecasting lstm rnn time-series var vectorautoregression

Last synced: 19 Jun 2026

https://github.com/salma-mamdoh/exploring-the-evolution-of-linux-project

My Project to learn the Basics of Analysis on DataCamp

data-analysis datacamp pandas python time-series-analysis

Last synced: 09 May 2026

https://github.com/tyriek-cloud/nyc-mobility-survey-analysis

An end-to-end data engineering project in which five NYC DOT datasets were modified in an ETL process and analyzed for insights.

aws aws-athena aws-glue aws-glue-crawler aws-quicksight aws-s3 data-analysis data-engineering etl-pipeline json python

Last synced: 09 May 2026

https://github.com/rohithsaji97/face-recognition

Face Recognition using deep learning

data-analysis deep-learning face-recognition keras machine-learning neural-network opencv python training

Last synced: 09 May 2026

https://github.com/sdley/cas_pratiques_a_rendre

Exercices pratiques de traitement de données avec python.

data-analysis pandas python

Last synced: 09 May 2026

https://github.com/datalopes1/manufacturing_defects

Projeto de EDA utilizando o Manufacturing Defects que pode ser encontrado no Kaggle

data-analysis data-visualization eda exploratory-data-analysis python

Last synced: 09 May 2026

https://github.com/shudhanshurp/adidas-us-data-analysis

This Power BI project analyzes Adidas sales data across different regions, retailers, and product categories in the U.S. The dashboards provide insights into sales performance, operational metrics, and future forecasts to support data-driven decision-making.

data-analysis data-transformation data-visualization forecasting powerbi python retail-analytics

Last synced: 24 Apr 2026

https://github.com/yosrak5/heart_disease_prediction

data-analysis machine-learning pandas random-forest random-forest-classifier seaborn sklearn xgboost-classifier

Last synced: 09 May 2026

https://github.com/marielachirinosr/hotel-data-analysis

Pandas & Matplotlib Learning Analysis. Repository featuring data analysis projects using Pandas and Matplotlib libraries

data data-analysis matplotlib pandas python

Last synced: 25 Apr 2026

https://github.com/aastopher/mma_outcome

Simple exploratory analysis of UFC Fights and Vegas fight odds from 1993 to 2021

data-analysis data-visualization

Last synced: 06 Jun 2026

https://github.com/simranjeet97/netflix-analysis-top-rated-_visualization_plotly

Netflix Data Analysis based on Age Based Ratings and Top Genres of 2021 of Movies - TV Shows along side Data Visualization

data-analysis data-science data-visualization database datascience datastructures deep-learning google google-cloud-platform machine-learning machine-learning-algorithms netflix netflix-dataanlysis netflix-dataset netflix-prize python3

Last synced: 10 May 2026

https://github.com/siddharthbadal/youtubeapi-dataanalysis

YoutubeAPI-Data Analysis

data-analysis jupyter-notebook matplotlib pandas python seaborn

Last synced: 10 May 2026

https://github.com/yeopster/datascience_notebook

Compilation of my Notebook based on Kaggle Dataset

data-analysis data-science kaggle notebook python

Last synced: 10 May 2026

https://github.com/fbarffmann/python-api-challenge

Accessed and analyzed real-world weather and location data using Python and public APIs. Automated data collection, cleaned API responses, and visualized geographic trends to support business-ready insights.

api automation data-analysis data-visualization google-places-api mapping openweathermap-api pandas python weather-analysis

Last synced: 10 May 2026

https://github.com/happybravo/ss4202_project

Space Astronomy project

astro astronomy astrophysics classification data-analysis data-science data-visualization galaxies machine-learning python quasar stars

Last synced: 10 May 2026

https://github.com/shridhar1504/rafik-s-kitchen-data-analysis

The Project is about the Analysis of the Sales and Expenses Data of a Famous Fast-food Restaurant. This mainly focuses on gaining Insights that will boost the Future Sales and also Business Strategies it Improve the Profit Margins. Handled Tools are SQL, Python, Power BI, MS Office Tools.

business-analytics business-intelligence data-analysis data-analytics data-visualization eda ms-office powerbi-report powerpoint-presentations python sql-server

Last synced: 10 May 2026

https://github.com/angelmtenor/idafc

Udacity's Intro to Data Analysis

data-analysis

Last synced: 20 Jun 2026

https://github.com/macdon112/credit-card-fraud-detection

Comparing ML models (Random Forest, KNN, Decision Tree) for credit card fraud detection using SMOTE and stratified cross-validation.

classification data-analysis fraud-detection imbalanced-data machine-learning python scikit-learn

Last synced: 10 May 2026

https://github.com/imrandil/sql_practice_with_analysis

SQL practice using postgres db and docker as a tool to setup postgres, loving the sql way

data-analysis docker markdown postgres sql

Last synced: 10 May 2026

https://github.com/an4pdm/relatorio-de-vendas

O presente projeto foi feito através das ferramentas oferecidas pelo Power BI afim de aprimorar meus conhecimentos sobre ETL. Os dados utilizados foram de origem do site "Kaggle".

data-analysis data-visualization database etl powerbi

Last synced: 20 Jun 2026

https://github.com/vikktor93/datascience-spotify

Analysis of Spotify dataset containing the top songs currently trending for over 70 countries.

data-analysis data-science data-scientist jupyter-notebook kaggle matplotlib pandas seaborn

Last synced: 10 May 2026

https://github.com/viniciusds2020/streamlit_app_adult

Protótipo APP - Machine learning - Streamlit

app data-analysis data-science front-end joblib machine-learning python streamlit

Last synced: 25 Apr 2026

https://github.com/greenpau/esqrunner

Run Elasticsearh queries and create metrics based on the result of the queries in Elasticsearch database.

data-analysis elasticsearch query-builder querydsl

Last synced: 10 May 2026

https://github.com/radi0sus/advanced_raman_tl

Web app for baseline correction, smoothing, processing and plotting of Raman spectra

arpls baseline data-analysis elabftw manipulation overlay pdf peak-detection png python raman raman-spectra raman-spectroscopy savitzky-golay-filter smoothing spectrum streamlit upload webapp whittaker-smoothing

Last synced: 10 Jun 2026

https://github.com/vatshayan/research-papers-

Research papers as blue prints, drafts, pre prints and published papers

artificial-intelligence big-data blockchain blockchain-technology data-analysis data-mining data-science data-visualization deep-learning deep-neural-networks image-classification image-manipulation image-processing machine-learning machine-learning-algorithms machine-learning-library python supervised-learning unsupervised-machine-learning webdevelopment

Last synced: 10 Jun 2026

https://github.com/mozeel-v/spam-detection

ML-powered SMS Spam Classifier using NLP and Scikit-learn. Detects and filters spam messages with interactive Streamlit UI.

classification data-analysis mnb streamlit

Last synced: 10 May 2026

https://github.com/szuzick/us-immigration-presidential-analysis

Power BI dashboard analyzing 40 years of U.S. immigration data across presidential administrations (1981-2020)

dashboard data-analysis data-visualization government-data immigration powerbi powerbi-dashboards powerbi-visuals presidential-analysis

Last synced: 10 Jun 2026

https://github.com/sarangs1621/weather-prediction

Weather Prediction Using Machine Learning is a project that leverages machine learning algorithms to predict weather conditions based on historical data. It evaluates three popular ML models (Decision Tree, KNN, and Logistic Regression) and provides performance insights through metrics and visualizations.

data-analysis decision-tree jupyter-notebook knn logistic-regression machine-learning predictive-modeling python scikit-learn weather-prediction

Last synced: 25 Apr 2026

https://github.com/pipe199x/end-to-end-prediction-california

End-to-end prediction project using various technologies to predict housing prices in California.

california-housing data-analysis machine-learning python

Last synced: 11 May 2026

https://github.com/sdley/tp2_datascience

Exercice Pratique de traitement de donnees avec python

data-analysis pandas python

Last synced: 11 May 2026

https://github.com/codingvangogh/data-science

Data Science, Machine Learning, Data Exploration, Big Data etc

data-analysis datascience decision-tree-classifier decision-tree-regression heatmap jupyter-notebook machinelearning python python3 ridge-regression seaborn sklearn svm-classifier

Last synced: 11 May 2026

https://github.com/monarch1108/customerinsights-kmeans

understanding customers using KMeans and RFM(recency, frequency & monetary) analysis

data-analysis data-visualization kmeans-clustering machine-learning matplotlib numpy pandas scikit-learn

Last synced: 11 May 2026

https://github.com/melissaantunes/ibm-data-analyst-professional

IBM Data Analyst Professional Certificate

analyze-data data-analysis data-analyst data-manipulation data-science data-visualization ibm-data-analyst-professional pandas python

Last synced: 11 May 2026

https://github.com/szuzick/hr-analytics-pipeline

End-to-end HR analytics solution using PostgreSQL, dbt, and Power BI

data-analysis data-visualization database-maintenance dbt hr-analytics insights postgresql powerbi sql

Last synced: 10 Jun 2026

https://github.com/imgabreuw/minicurso-python-para-financas

Mini curso de Python para finanças, disponibilizado por Varos.

data-analysis financial-analysis python

Last synced: 29 Jun 2026

https://github.com/lucashomuniz/project-04

STATISTICAL ANALYSIS FOR DEMAND PLANNING IN POWERBI

bigquery data-analysis data-structures data-visualization database google-cloud-platform powerbi powerbi-visuals sql sql-query

Last synced: 11 May 2026

https://github.com/sakan811/stress-pattern-occurrence-in-english-words

This project is intended to provide English learners with data that allows them to make a data-driven guess when encountering words that they aren't sure where to stress

data-analysis data-visualization english english-language english-learning language powerbi powerbi-report powerbi-visuals

Last synced: 20 Jun 2026

https://github.com/farhad-here/weatherprediction_webapplication

Weather Prediction webApplication with streamlit

chart data-analysis datavisualization geopy pandas pydeck python requests streamlit weather-app webapplication

Last synced: 11 May 2026

https://github.com/m-biriulova/python-job-market-analysis

Web scraping, data analysis, and visualization of Python developer vacancies in Czech Republic.

automation beautifulsoup data-analysis data-visualization portfolio-project python selenium web-scraping

Last synced: 25 Apr 2026

https://github.com/dcs-training/intro-to-statistics

Intro to Statistics workshop. In this repo, you are going to find the code and files we are going to use for the practical part of the workshop, together with the ppt associated with this training. Go to the readme file

data-analysis data-visualisation data-wrangling r statistics

Last synced: 20 Jun 2026

https://github.com/marielachirinosr/bellabeat-wellness-data-trends

Analyzing smart device data for insights on user activity patterns to optimize interventions for better health outcomes.

data data-analysis data-visualization pandas python python3 tableau tableau-public

Last synced: 25 Apr 2026

https://github.com/hrosicka/czechpopulationestimation

This GitHub repository contains Python code for data analysis and population prediction in the Czech Republic up to the year 2050. The code is written in Python and utilizes the Pandas and Matplotlib libraries.

data-analysis data-visualization matplotlib matplotlib-figures matplotlib-pyplot pandas pandas-dataframe pandas-library pandas-python python python3

Last synced: 11 May 2026

https://github.com/analysisbyvivek/crime-data

Analyzes crime patterns across different areas, exploring factors such as crime type, weapon usage, demographic influences, and geographic distribution to uncover trends in frequency, correlations, and hotspots.

apache-superset data-analysis eda jupyter-notebook python

Last synced: 11 May 2026

https://github.com/ceia-prefeitura/urban-lit-tracker-etl

UrbanLitTracker coleta artigos acadêmicos sobre mudanças urbanas via OpenAlex API, processa e armazena em MongoDB. Oferece dashboard interativo com Dash, exibindo dados como trabalhos mais relevantes, autores e palavras-chave frequentes, facilitando a análise e visualização da literatura urbana.

academic-research bibliometrics data-analysis data-pipeline data-visualization etl openalex-api urban-studies

Last synced: 11 May 2026

https://github.com/avilash1212/sales-dashboard-using-google-looker-

Sales dashboard project using Google looker studio

data-analysis data-visualization jupyter-notebook python sql

Last synced: 25 Apr 2026

https://github.com/deliprofesor/amazon-movie-analysis-and-visualization

"Amazon Movie Analysis and Visualization" is a Python project that analyzes and visualizes movie data from Amazon.com, including ratings, directors, actors, release years, MPAA ratings, and pricing. The project provides insights into movie trends and popular films, helping users explore key patterns through interactive visualizations.

data-analysis data-visualization matplotlib pandas python

Last synced: 12 May 2026

https://github.com/OdessaZ/Portfolio-Projects

This is a repository I have created to showcase skills, share projects and track my progress in Data Analytics and Data Science

applied-mathematics data-analysis data-science excel jupyter-notebook matplotlib-pyplot pandas portfolio python r r-studio seaborn sql statistics

Last synced: 12 May 2026

https://github.com/leticia-ducatti/sales-dashboard-project

Interactive sales dashboard built with Python and Streamlit — shows KPIs, allows filtering, and visualizes sales data.

data-analysis pandas plotly python streamlit

Last synced: 12 May 2026

https://github.com/jbalooshie/pyber_analysis

Analysis of ride share data using Matplotlib and pandas, executed in Jupyter Notebook. Breakdowns are provided based on the city size, average fare, and number of rides taken.

data-analysis data-science data-visualization jupyter-notebook matplotlib pandas python