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Je dispose d’un jeu de données structurées (issus de tableurs ou d’une base SQL) et je souhaite en extraire un modèle de prévisions fiable. Mon besoin se concentre sur l’analyse de données : nettoyer, explorer puis bâtir un algorithme de machine learning focalisé sur la prédiction de valeurs futures. Ce que j’attends : • Préparation : contrôle de qualité des données, traitement des valeurs manquantes et normalisation. • Modélisation : sélection d’algorithmes adaptés (par exemple : régression, arbres de décision, gradient boosting) avec validation croisée et optimisation d’hyper-paramètres. • Évaluation : métriques claires (RMSE, MAE, R²…) et visualisations pour comparer les performances. • Livraison : notebook Jupyter ou script Python (pandas, scikit-learn, éventuellement XGBoost), ensemble des fichiers modèles sauvegardés, et une documentation concise expliquant chaque étape pour une reproduction facile. Je reste ouvert aux suggestions sur la structure du pipeline ou l’usage d’autres librairies si cela améliore la précision ou la vitesse d’exécution. L’objectif final est un modèle prêt à déployer qui génère des prédictions robustes, accompagné d’un rapport synthétique.
Project ID: 40559901
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67 freelancers are bidding on average $392 USD for this job

Hello there, Je vais construire votre pipeline prédictif complet, du nettoyage des données jusqu'au modèle sauvegardé prêt à déployer, le tout livré dans un notebook Jupyter documenté étape par étape. Mon approche : après exploration et traitement des valeurs manquantes, je testerai plusieurs algorithmes (régression, gradient boosting, XGBoost) avec validation croisée et optimisation des hyper-paramètres via GridSearch ou Optuna. Sur un projet similaire de prévision sur données tabulaires, le passage à Optuna pour le tuning a réduit le RMSE de façon significative par rapport à un GridSearch classique. Questions : 1) Combien de lignes et de features contient votre jeu de données environ ? 2) La variable cible est-elle continue (régression) ou catégorielle (classification) ? Looking forward to discussing further. Best regards, Kamran
$275 USD in 10 days
5.9
5.9

Bonjour, J'ai étudié attentivement vos besoins et je comprends que vous recherchez une solution fiable de modélisation prédictive pour des données structurées, incluant le prétraitement complet des données, la construction du modèle, l'évaluation et une solution prête pour le déploiement. Fort de plus de 10 ans d'expérience en Python, science des données, apprentissage automatique (machine learning) et analyse prédictive, je suis en mesure de concevoir un pipeline de prévision robuste, adapté à votre jeu de données et à vos objectifs métier. Mon approche comprendra : • Préparation des données : nettoyage, traitement des valeurs manquantes, encodage, normalisation et ingénierie des variables (feature engineering) • Développement du modèle : modèles de régression, arbres de décision, forêts aléatoires (Random Forest) et gradient boosting (XGBoost/LightGBM selon la pertinence) • Optimisation : validation croisée, réglage des hyperparamètres et sélection du modèle selon les performances • Évaluation : métriques RMSE, MAE et R², accompagnées de visualisations claires et de rapports comparatifs • Livrables : notebook Jupyter ou scripts Python entièrement reproductibles, fichier du modèle entraîné et documentation détaillée expliquant chaque étape Le résultat final sera un modèle de prévision prêt pour la production, intégré dans un pipeline structuré, facile à réutiliser ou à faire évoluer. JE PROPOSE 2 ANS DE SUPPORT CONTINU GRATUIT ET LE CODE SOURCE COMPLET ; Cordialement.
$500 USD in 7 days
6.2
6.2

Hi, I am a data analyst/statistician and Economist with more than 6 years of experience. I can do your project, Please take time to check my profile and then you decide to contact me.
$250 USD in 2 days
6.1
6.1

Bonjour, Je peux prendre en charge toute la chaîne d’analyse : audit du dataset, nettoyage, traitement des valeurs manquantes, normalisation, exploration statistique, puis construction d’un pipeline de machine learning reproductible. Je travaillerais en Python avec pandas, scikit-learn et, si utile, XGBoost/LightGBM pour comparer plusieurs modèles de prévision et sélectionner celui qui donne les meilleurs résultats sur validation croisée. La livraison inclurait un notebook Jupyter clair, les scripts nécessaires, les modèles sauvegardés, les métriques RMSE/MAE/R², des graphiques de comparaison, l’analyse des variables importantes et un rapport synthétique expliquant les choix techniques. Je peux aussi structurer le pipeline pour qu’il soit facilement déployable ensuite via API, batch script ou tableau de bord. Question 1: La variable à prédire est-elle une série temporelle avec dates, ou une valeur future basée sur des caractéristiques tabulaires classiques ? Question 2: Quel est le volume approximatif des données et le format de départ : Excel/CSV, SQL, ou les deux ? Cordialement, Houssame
$500 USD in 7 days
6.5
6.5

Hi, I have been in the role for 6+ years and work as a data analyst, statistician and economist. I Have the ability to provide excellent work and the needs of your project. Would you be able to look at my profile and provide more information on previous projects and Reviews about my work as a contractor? Looking forward to your response. Best regards,
$250 USD in 3 days
5.8
5.8

As a dedicated and experienced full-stack developer with a strong focus in artificial intelligence, I am confident that I can deliver exactly what you are looking for in your project. My proficiency in machine learning and deep learning, specifically in areas of time series forecasting and data analytics, align perfectly with your needs of extracting reliable prediction models from structured data. Throughout my career, I have honed my skills in several areas relevant to your project, such as data cleaning and exploration, algorithm selection and validation, hyperparameter optimization, metric evaluation, and even model deployment. I'm well-versed in the Python environment (including pandas and scikit-learn) which is highly compatible with your desired deliverables. Moreover, my ability to leverage other libraries like XGBoost may aid in further enhancing the precision and efficiency of the project. However, what sets me apart is not just technical acumen but also an eye for detail and strong communication skills. I value your suggestions on potential pipeline structures or alternative libraries that could better serve the project's objective. In this regard, I assure you of a collaborative approach where clear documentation will be provided after each phase for future reference. In summary, working with me ensures an adept professional dedicated to delivering optimal results that meet your unique project requirements.
$500 USD in 7 days
5.8
5.8

Hi there, I am thrilled to present for providing R programming solutions and services to meet your specific data analysis, statistical modeling, and visualization needs. I am of skilled R programmers and data analysts who are passionate about leveraging the power of R to deliver valuable insights and solutions for businesses across various domains. Utilizing R's extensive libraries, such as dplyr and ggplot2, for data cleaning, transformation, and visualization. Developing robust statistical models using R for forecasting, regression analysis, time series analysis, Implementing machine learning algorithms using R packages like caret, random Forest, xgboost, Building predictive models and classifiers to gain predictive insights from your data. Custom R Package Development: https://www.freelancer.com.bd/u/GdevDataSceince My commitment to client satisfaction is unwavering. Throughout the development process, I prioritize open communication, responsiveness, and collaboration. Welcome feedback and are always ready to address any concerns or modifications you may require. Regards @GdevDataSceince
$250 USD in 7 days
5.8
5.8

Bonjour, Je peux nettoyer et analyser vos données, construire un pipeline de prédiction fiable en Python avec pandas/scikit-learn/XGBoost, comparer plusieurs modèles avec validation croisée, optimiser les hyperparamètres et livrer un notebook clair avec modèles sauvegardés, visualisations, métriques et documentation pour une reproduction facile. Cordialement, Muhammad Jibran Ahmed
$400 USD in 2 days
5.3
5.3

I understand you need a reliable predictive model from your structured data, focusing on cleaning, exploring, and building a machine learning algorithm to forecast future values. I've successfully built and deployed similar forecasting models for financial institutions, reducing prediction error by 15%. My approach will involve using Python with libraries like Pandas for data preparation (quality control, imputation, normalization), Scikit-learn for algorithm selection (e.g., XGBoost, Linear Regression), and cross-validation for robust model evaluation and hyperparameter tuning. The final output will be a Python script containing the data preprocessing pipeline and the trained predictive model, ready for integration. What is the desired format for the future value predictions (e.g., a CSV file, direct API endpoint)? Ready to start as soon as you confirm scope.
$568 USD in 21 days
5.1
5.1

As an experienced and dependable developer with a solid background in Data Science and Python, I am confident that I can provide you with the reliable predictive model you need from your structured datasets. I am well-versed in the entire pipeline you outlined - from data cleaning to model selection, optimization, and evaluation. My expertise in Python, Pandas, and scikit-learn makes me ideally positioned to handle your project. In addition, I have extensive experience with XGBoost which could optimize your model's performance. Throughout my 20+ years in this field, I have consistently delivered clean and maintainable solutions that stand the test of time. Moreover, my method isn't just about providing a solution; it's also about ensuring a smooth future-proofed process for you. That's why I generate detailed documentation on each step I take, so replicating my work in the future doesn't become a hassle for you. If you want a professional who'll not only solve your immediate problem but also insulate you from potential challenges ahead, let’s collaborate on this project. My track record speaks for itself, and together we can create the robust and deployable model you desire along with a concise report.
$350 USD in 12 days
5.3
5.3

Souvent, le vrai obstacle à des prévisions robustes n’est pas l’algorithme mais la qualité et la structuration des données (valeurs manquantes, fuites, non‑stationnarité et choix de l’horizon de prédiction). Ma proposition : commencer par un audit QC + EDA (profiling, traitement des NA, détection de fuites), puis construire un pipeline reproduisible : features, baselines (régression, arbres), puis boosting (XGBoost/LightGBM) avec validation croisée adaptée (k‑fold ou rolling window si série temporelle), optimisation d’hyper‑paramètres et évaluation claire (RMSE, MAE, R²) + visuels comparatifs. Livraison sous forme de Jupyter notebook + scripts, modèles sérialisés et documentation concise pour reproduction et déploiement. Stack recommandé : Python, pandas, scikit‑learn, XGBoost/LightGBM, Optuna pour le tuning, joblib/MLflow pour versioning ; FastAPI + Docker si vous voulez une API de prédiction prête à déployer. Maintenance : pipeline modulaire (sklearn Pipeline), sauvegarde des préprocesseurs, procédure simple de réentraînement et tests automatisés. J’ai réalisé CrowdAxis : ETL multi‑sources, normalisation, scoring model et endpoint FastAPI en production — workflow proche de votre besoin. La cible est‑elle une série temporelle horodatée (forecasting) ou un problème tabulaire indépendant du temps ?
$500 USD in 7 days
4.8
4.8

Hi there, I am A.R.M. MASUD with a strong background in data science. I propose to conduct an econometric analysis aimed at Econometrics, Finance, Accounting Analysis "examining the impact of education on income levels using cross-sectional data. This project will involve data cleaning and preparation, Model specification and estimation using appropriate Econometrics, Finance, and accounting techniques (such as OLS, panel data, probit/logit, or time series methods). Provide visualizations (regression plots, residual plots) and interpret the results using diagnostic tests to ensure robustness. The analysis will be performed using statistical software such as SPSS, STATA, R, or Python, and findings will be summarized in a clear, concise report with actionable insights or policy recommendations. The project will be completed within your timeframe and will include all relevant datasets, code, and documentation. https://www.freelancer.com.bd/projects/excel/Finance-Excel-Sheet-Population/reviews https://www.freelancer.com.bd/projects/python/Python-Financial-Modeling-Aid-39392137 Don't hesitate to get in touch with us for any further clarifications or modifications to the proposal. Thanks A.R.M MASUD
$250 USD in 7 days
4.6
4.6

Bonjour, Je travaille en tant que data analyste, voila comment je peux réaliser votre projet : Phase 1 — Préparation des données • Audit de qualité des données (cohérence, doublons, valeurs aberrantes) • Traitement des valeurs manquantes (imputation simple ou avancée selon le contexte) • Normalisation / standardisation des variables • Analyse exploratoire (distributions, corrélations, détection de fuites de données) Phase 2 — Modélisation • Sélection d'algorithmes adaptés au cas d'usage (régression linéaire/Ridge/Lasso, arbres de décision, Random Forest, Gradient Boosting / XGBoost) • Validation croisée (k-fold) pour fiabiliser l'estimation de performance • Optimisation des hyper-paramètres (recherche par grille ou approche bayésienne) Phase 3 — Évaluation • Calcul des métriques de référence : RMSE, MAE, R² • Visualisations comparatives entre modèles (courbes, résidus, importance des variables) • Recommandation du modèle final avec justification Phase 4 — Livraison • Notebook Jupyter ou script Python structuré (pandas, scikit-learn, XGBoost) • Fichier(s) modèle sauvegardé(s) (joblib/pickle), prêts à être rechargés • Documentation concise : hypothèses, choix méthodologiques, instructions de reproduction • Rapport synthétique de performance et recommandations d'usage Merci de me contacter pour plus de détails.
$750 USD in 5 days
4.8
4.8

Good to see this project, Nous allons construire votre pipeline prédictif complet : nettoyage, feature engineering, modélisation et évaluation, livré en notebook Jupyter documenté. Pour la sélection de modèles, nous testerons plusieurs approches (régression, random forest, XGBoost) puis comparerons via validation croisée stratifiée. Cela évite le surapprentissage et donne des métriques fiables. A couple of quick things to confirm: 1) Quelle est la taille approximative du jeu de données (lignes, colonnes) et la nature de la variable cible (continue ou catégorielle)? 2) Le modèle final doit être déployé via une API, ou un fichier pickle suffit? The number quoted here is a starting estimate. The exact cost and timeline will be confirmed after we go through the full scope together. Looking forward to talking through the details. Faizan
$287 USD in 10 days
4.3
4.3

Hello, I have read the outline of your project, and I’m sure can solve the task, provide correct result, free revision guarantee. My background is in statistics and applied mathematics using Python/R/JS programming for model statistics, predictive analytics, machine learning and artificial intelligence. I’m an expert in various model regression, hypothesis analysis, provide in python yupiter notebook, file html/pdf/word, complete with the charts. Please share your data, I'm available, discuss detailed requirements, budget/time negotiable. Thank you. Best rgds, Bambangpe
$250 USD in 3 days
4.6
4.6

I can help you build a reliable predictive model from your structured data, similar to how I've previously developed forecasting solutions for [mention a similar domain or tool from the job description if applicable, e.g., "sales forecasting using time series analysis" or "customer churn prediction with gradient boosting"]. My focus is on delivering actionable insights through robust machine learning. My approach involves a systematic workflow: first, rigorous data preparation using Python libraries like Pandas and Scikit-learn for quality control, imputation of missing values (e.g., using KNN imputation or mean/median imputation based on data characteristics), and feature scaling (StandardScaler/MinMaxScaler). For modeling, I'll explore algorithms such as XGBoost, LightGBM, or Random Forest, employing k-fold cross-validation and hyperparameter tuning (e.g., GridSearchCV/RandomizedSearchCV) to optimize predictive accuracy and generalization. To ensure we're aligned, could you elaborate on the specific time horizon for your future value predictions? Also, are there any particular business constraints or interpretability requirements for the model? I'm available to discuss your project further and outline a detailed plan.
$567 USD in 21 days
4.0
4.0

Before choosing the algorithm, may I ask what exactly are you trying to predict, and approximately how many rows and features does your dataset contain? That information will help determine whether Gradient Boosting, XGBoost, Random Forest, or a regression model is the best fit. From your description, I understand you're looking for more than just a trained model—you need a complete, reproducible machine learning pipeline that starts with data quality assessment, handles missing values and preprocessing, explores the data, compares multiple prediction models, optimizes them through cross-validation and hyperparameter tuning, and delivers a deployment-ready solution with clear documentation. My approach will include: * Data cleaning and preprocessing (missing values, outliers, normalization where appropriate) * Exploratory Data Analysis with meaningful visualizations * Feature engineering to improve predictive performance * Training and comparing multiple ML algorithms rather than relying on a single model * Cross-validation and hyperparameter optimization * Performance evaluation using RMSE, MAE, R² (or other suitable metrics) * A clean, well-documented Jupyter Notebook and Python code using Pandas, Scikit-learn, and XGBoost (if beneficial) * Saved model files and concise documentation so the entire workflow can be reproduced easily To reduce your risk, I'll first perform an initial assessment of the dataset and discuss the proposed modeling strategy before moving into full training. This ensures we're building the most accurate and efficient solution for your data rather than applying a generic approach. I'm available to start immediately and estimate completion within **7 days**. I would be happy to review a sample of your dataset and discuss the prediction target before we begin.
$320 USD in 7 days
3.5
3.5

Bonjour, je possède une expérience dans la conception de pipelines de machine learning de bout en bout pour des jeux de données structurés, incluant le prétraitement des données, l'analyse exploratoire, l'ingénierie des variables (feature engineering), l'entraînement de modèles et l'analyse prédictive. Je peux nettoyer et valider vos données, gérer les valeurs manquantes et la normalisation, évaluer divers algorithmes de régression et basés sur des arbres de décision (avec validation croisée et optimisation des hyperparamètres), comparer les performances à l'aide de métriques telles que le RMSE, la MAE et le R², et livrer un modèle de prédiction robuste et prêt pour le déploiement, accompagné d'un code Python/Jupyter bien documenté et de résultats reproductibles. Je fournirai également une documentation claire ainsi qu'une séance de passation à l'issue du projet. Cordialement, Prateek
$399 USD in 7 days
3.7
3.7

With over 8 years of experience as a Data Analyst and Scientist, I have developed a deep understanding of data credentials, standardized data handling protocols, modeling techniques, and performance evaluation methods. I'm Python-proficient and an expert with Pandas library. I've worked on various projects where I have had to extract models from structured datasets and precisely forecast future values. Additionally, I am experienced with various ML algorithms and selection of algorithmic approaches best fitting the specific problem at hand. I guarantee meticulous data preparation, including data quality control, handling missing values, and normalization. My understanding of regression, decision trees, gradient boosting among others (including XGBoost) comes in handy when selecting models tailor-made for each dataset to offer you guided precision in line with your requirements. To compare the performances of different models, clear metrics (such as RMSE, MAE, R²), visualizations will be provided. Lastly, what sets me apart is my commitment to clearly documenting all the steps undertaken in the project. You can expect to receive a well-commented Jupyter notebook or Python script in line with your preference. Further, alongside the model files themselve.
$350 USD in 5 days
3.8
3.8

With your structured dataset, I can apply my expertise in Data Engineering, Python and Machine Learning to deliver a predictive model that is comprehensive, accurate and fully automated. My skills will not only include data quality control, missing value handling and normalization, but also medical evaluation (RMSE, MAE, R²) and visualizations to clearly compare performance as well as a detailed documentation for easy replication of the project. As seen in my solid project completion and 5-star reviews, I am committed to client satisfaction. Your project's success is reliant on effective communication and understandings from start to finish; I guarantee just that. I am comfortable applying any alternative libraries or pipelines that you deem fit since the final goal remains delivering a deployable model showcasing robust predictions. Most importantly, I do not just write code; I create intelligent systems that optimize workflow and automation. Your dataset will be expertly extracted, transformed and processed through reliable Python pipelines held on Azure Virtual Machines. Ultimately, you get profound Jupyter notebooks or Python scripts (with pandas, scikit-learn, potentially XGBoost), all model files saved and a succinct documentation explaining every step for future ease-of-use. Choose me, CAUA for effective, efficient and dependable solutions.
$350 USD in 14 days
3.5
3.5

Douala, Cameroon
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