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I have a collection of customer reviews that must be transformed into clear, data-driven insight. The raw files might arrive as CSV, Excel, or even straight from a database—the format is flexible—so the first task is to clean and standardise whatever I supply. That means handling empty rows, removing noise (HTML tags, punctuation, stop-words, etc.) and normalising the text. Once the data is tidy I need robust sentiment classification. Please build the pipeline in Python, making sensible use of NLTK and/or TextBlob for tokenisation, lemmatisation and polarity scoring. The reviews span more than one language, but the immediate focus is on the English subset; your code should therefore detect language and process only English for this milestone while staying extensible for future Spanish or French additions. I also want the story behind the numbers. Generate clear visualisations—think sentiment distribution charts, time-series trends, maybe a word cloud of highly polar terms—so stakeholders can grasp the overall mood at a glance. Deliverables: • Cleaned dataset with an added sentiment label • Well-commented Python script or Jupyter notebook • At least three informative visualisations (PNG or embedded in the notebook) • A concise summary report explaining methodology, key findings, limitations, and next steps Everything should run end-to-end on standard Python 3.x with common libraries (pandas, matplotlib/Seaborn, NLTK, TextBlob). If additional packages are essential, note them in a requirements.txt. That’s the full scope—if the workflow sounds straightforward to you, I’m ready to get started.
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68 freelancer chào giá trung bình $463 USD cho công việc này

Hello, With over 12 years of experience as a CodeNomad, I am confident to state that I have deep expertise in Python, which is your project's key language. I have also developed valuable skills in data science and machine learning, especially pertaining to NLP—making me uniquely qualified for your sentiment analysis task. Additionally, my expertise spans across multiple domains including healthcare, ERP management, shipping, and more — a testament to the comprehensiveness and adaptability of my skillset. In addition to these proven technical skills, I bring an ample level of creativity and insightfulness to my work—a quality that will aid in delivering crisp visualizations that will enable stakeholders to quickly grasp the overall mood from the sentiments—a key focus point in your project. Overall, choosing me ensures not just an expert but a dedicated professional who will deliver high-quality results on time while always staying communicative and adaptable to your needs. With Regards! Divya
$500 USD trong 7 ngày
6,7
6,7

Hi there, I'm excited about the opportunity to transform your customer reviews into actionable insights! As a top freelancer from California with a five-star rating, I have extensive experience in data cleaning and sentiment analysis. I fully understand your needs for standardizing diverse formats and ensuring a clean dataset. Moreover, I have a robust background using NLTK and TextBlob for natural language processing, which will allow me to develop an efficient pipeline that processes English reviews with potential extensions for Spanish and French in the future. In addition to data cleaning and sentiment classification, I'll create visually engaging charts and reports that will clearly communicate the insights to your stakeholders. My aim is to provide not only a cleaned dataset with sentiment labels but also a well-commented Python script, visualizations that illustrate sentiment distribution and trends, and a concise summary of findings and next steps. Please feel free to message me right away to discuss this further! What specific formats of customer reviews do you anticipate, and do you have preferred visual styles for the charts?
$610 USD trong 8 ngày
6,2
6,2

Hi I can build a clean, end-to-end Python sentiment analysis pipeline that standardizes your raw review data (CSV/Excel/DB), removes noise, normalizes text, detects language, and processes the English subset using NLTK/TextBlob for tokenization, lemmatization, and polarity scoring. I’ll deliver a cleaned dataset with sentiment labels, a well-documented script or Jupyter notebook, and clear visualizations Thanks Anshuman
$450 USD trong 10 ngày
6,4
6,4

Hi there, We’ve developed a similar product called Descripio, where we used NLTK and TextBlob for sentiment analysis on Amazon product reviews. We also implemented a multi-language feature to detect English, Spanish, and German, and used Azure’s text analysis API for additional insights. For your project, we can use a combination of NLTK, TextBlob, and Azure’s text analysis API to ensure accurate sentiment classification. We’ll also create informative visualizations to help you understand the data better. Let’s schedule a 10-minute call to discuss your project in more detail and see if I’m the right fit. I usually respond within 10 minutes. Best, Adil
$750 USD trong 7 ngày
6,0
6,0

Hi, I specialize in text analytics and sentiment analysis using Python and NLP libraries. I can build an end-to-end workflow that cleans raw review data, processes English-language content, and generates polarity scores and sentiment labels. I’ll also create visual reports to highlight trends and key emotional drivers in the reviews. You’ll receive reproducible code, visual outputs, and a concise explanation of the analysis process.
$250 USD trong 3 ngày
5,6
5,6

⭐⭐⭐⭐⭐ Review the provided datasets (CSV, Excel, or database extracts) and standardise them by removing empty rows, HTML tags, punctuation, stop-words, and normalising text. Implement a robust Python pipeline using pandas, NLTK, and TextBlob for tokenisation, lemmatisation, and sentiment polarity scoring. Include language detection to filter and process only English reviews initially, keeping the framework extensible for Spanish and French in future iterations. Generate actionable insights through clear visualisations: sentiment distribution charts, time-series trends, and word clouds highlighting strongly polar terms. Deliver a cleaned dataset with sentiment labels, a well-commented Jupyter notebook, at least three informative visualisations, and a concise summary report covering methodology, findings, limitations, and next steps. CnELIndia can assist by structuring the ETL process, ensuring data quality, and automating preprocessing pipelines. Raman Ladhani can provide expertise in NLP model tuning, sentiment analysis accuracy, and generating insightful visual storytelling for stakeholders. This approach ensures an end-to-end, reproducible, and scalable solution.
$500 USD trong 7 ngày
5,6
5,6

Hello >>>> Multi languages (English and Arabic)Left-To-Right (LTR) and Right-To-Left (RTL) <<<< , I carefully reviewed your requirement for a Python-based sentiment analysis pipeline on customer reviews. I understand that the task involves cleaning and standardising the raw data from CSV, Excel, or database sources, removing noise, handling empty rows, normalising text, detecting language, and focusing on English reviews for sentiment classification. Using Python with NLTK and TextBlob, I will implement tokenisation, lemmatisation, polarity scoring, and generate robust sentiment labels. I will also produce clear visualisations including sentiment distribution charts, time-series trends, and word clouds to provide actionable insights for stakeholders. With over 10+ years of experience in Python data processing, NLP, and data visualisation, I can deliver a well-commented Jupyter notebook or Python script, along with a clean dataset, informative plots, and a concise report summarising methodology, findings, and recommendations. I WILL PROVIDE 2 YEAR FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO PUBLISHING ON STORES. I eagerly await your positive response. Thanks. >>>>>>> We'll share our portfolio in Chat. Let's talk further speak over the freelancer call or chat. <<<<<<
$494 USD trong 9 ngày
6,0
6,0

Hi, I would love to help. I went through your project details and found that I worked on almost the exact same task about two months ago. I am a skilled freelancer with 6+ years of experience in Python, Web Scraping and I can deliver the results as quickly as possible. Please visit my profile to check the latest work and honest client reviews. Connect in chat to discuss details and next steps. Warm regards.
$750 USD trong 7 ngày
5,1
5,1

Hi there, I’ve reviewed your project and understand you want to transform raw customer reviews into clear, data driven insights. The workflow will start by cleaning and standardizing the incoming data whether it arrives as CSV, Excel, or database exports. This includes removing empty rows, stripping HTML and noise, normalizing text, and preparing the dataset for reliable analysis. I can build a Python pipeline using pandas, NLTK, and TextBlob to handle tokenization, lemmatization, and sentiment scoring. The script will also detect language so only English reviews are processed for this phase while keeping the architecture ready for future Spanish or French expansion. Each review will be labeled with a sentiment category and stored in a clean structured dataset. To make the results easy to understand, I will generate clear visualizations such as sentiment distribution charts, trend analysis over time, and a word cloud highlighting key polar terms. You will receive a fully commented Python script or Jupyter notebook, the cleaned dataset with sentiment labels, and a concise report explaining the methodology, findings, and next steps. Best regards, Muhammad Adil Portfolio: https://www.freelancer.com/u/webmasters486
$400 USD trong 6 ngày
5,2
5,2

Hi there I have gone through your requirements regarding the Python sentiment analysis on multilingual customer reviews. I have a proven track record building sentiment pipelines with NLTK TextBlob and pandas. I analyzed 50k reviews from CSV Excel sources added polarity scores and created distribution charts word clouds. My experience covers text cleaning HTML removal stop words lemmatization and English detection only. I delivered notebooks with cleaned datasets three visualizations and summary reports for e-commerce clients. I am confident I can preprocess classify visualize and deliver end-to-end with requirements.txt. Thanks Chirag
$250 USD trong 5 ngày
4,4
4,4

Hello, I hope you’re having a great day. I reviewed your project and I would be happy to assist you with your Data Analysis needs. As a professional data analyst, my goal is to transform raw data into clear and meaningful insights that help clients understand their data and make better, data-driven decisions. I can help you clean and organize raw or unstructured data, perform accurate and detailed analysis, identify trends and patterns, and create professional charts, graphs, and dashboards. I will also provide a clear, well-structured report with actionable insights so that the results are easy to understand and useful for decision-making. I have experience working with tools such as Microsoft Excel, Google Sheets, Python, and Power BI, which allow me to analyze data efficiently and present the results in a professional and easy-to-understand format. I always focus on delivering high-quality and accurate work, maintaining clear communication with clients, ensuring fast and on-time delivery, and providing complete client satisfaction. I would love to learn more about your project. Could you please share the dataset and let me know what type of analysis or insights you are looking for? Once I review the details, I can start working immediately and deliver the results as quickly and accurately as possible. Thank you for your time and consideration. I look forward to working with you. Best regards,
$250 USD trong 2 ngày
4,2
4,2

Hello, I can turn your multilingual customer reviews into clear, data-driven sentiment insights by building an end-to-end Python NLP pipeline that cleans the text, detects language, processes the English subset, labels sentiment, and generates stakeholder-friendly visuals. Approach I’ll ingest the data (CSV/Excel/DB via Pandas), remove empty/noisy rows, clean text (HTML, punctuation/noise), tokenize + lemmatize with NLTK, then score sentiment using TextBlob and convert polarity into clear labels (positive/neutral/negative) using documented thresholds. I’ll deliver at least three visuals: sentiment distribution, trend over time (if timestamps exist), and a polar-term view (word cloud optional). Everything will run in one well-commented notebook/script with requirements.txt. Why I’m a strong fit Strong in Python, Pandas, NLP text cleaning, NLTK/TextBlob sentiment workflows Clear, reproducible code with comments and simple update steps Business-friendly visuals + concise summary of findings, limitations, next steps Verified Freelancer; chat-first coordination and reliable delivery Quick questions Do the reviews include timestamps (for time-series trends)? If the source is a database, what DB type and access method will you provide? Clean pipeline, clear visuals, reproducible results.
$400 USD trong 7 ngày
4,3
4,3

I can build you a clean, end-to-end Python pipeline that takes review data from CSV, Excel, or database exports, standardises it, filters for English-language content, and produces sentiment insights that are easy to act on. My approach would start with robust preprocessing in pandas and NLTK/TextBlob—handling nulls, duplicate or empty rows, HTML/text noise, punctuation, stop-word removal, tokenisation, and lemmatisation—while keeping the code modular so Spanish and French can be added later without reworking the whole pipeline. I would then apply sentiment scoring and map results into clear labels such as positive, negative, and neutral, followed by visual outputs like sentiment distribution charts, trend lines over time, and a word cloud of high-impact terms so stakeholders can quickly understand both the numbers and the narrative. I’ve worked on similar text-analysis tasks involving messy customer feedback and multilingual datasets, so I understand the importance of writing code that is not only accurate but also readable, reusable, and easy for a team to maintain. You would receive the cleaned dataset with sentiment labels, a well-commented Python script or notebook, at least three polished visualisations, a concise summary report covering method, findings, limitations, and recommendations, plus a requirements file if any extra package is needed.
$250 USD trong 7 ngày
3,9
3,9

With over 8 years of experience in Data Analytics & Science, including proficiency in Python, Pandas and Machine Learning (ML), I believe I am perfectly suited for your Python Sentiment Analysis on Reviews project. I am well-versed in transforming and cleaning data from a variety of formats like CSVs and Excel files, ensuring that your dataset is standardized and ready for analysis. Whether it's removing noise, handling empty rows, or normalizing text, I can do it all effectively. Ultimately, what sets me apart is not just the technical skills but my talent for transforming data into actionable insights. My expertise in creating intuitive visualizations using Seaborn/Matplotlib provide a compelling means to transparently communicate the results. Alongside the code and commented Jupyter notebook, rest assured that my concise summary report will offer an in-depth explanation of the methodology used, key findings, limitations identified and potential next steps to ensure that your team is fully equipped with knowledge even after the project completion. Let's leverage my capabilities in Python 3.x combined with Pandas, NLTK/TextBlob and my data storytelling techniques to deliver comprehensive value from your data!
$250 USD trong 3 ngày
3,8
3,8

Hi, hope you are well. I am a project manager for a team of talented people with various skills. we have many years of development experience in Python, Web Scraping and I have completed similar projects. Feel free to visit our website to check our team and portfolio. If this sounds good, have a meeting to discuss about your project in detail. Best regards, Jayabrata Bhaduri
$500 USD trong 7 ngày
4,0
4,0

This looks straightforward. I’ve worked on similar pipelines where raw review data comes from mixed sources (CSV, Excel, DB exports), gets cleaned and normalized, and then processed for sentiment analysis and insights. I’m comfortable building the full Python workflow using pandas, NLTK/TextBlob, and basic language detection so only English reviews are processed for now while keeping the pipeline extendable for other languages later. Generating clear visualizations (sentiment distribution, trends over time, word clouds, etc.) and packaging everything into a clean notebook with explanations is something I’ve done before. I can deliver this as a clean end-to-end notebook/script with visualizations and a short summary of findings. Best, Keshav
$450 USD trong 10 ngày
4,4
4,4

Transforming raw customer feedback into strategic intelligence requires more than just basic polarity; it requires understanding the "why" behind every rating. I have spent years building high-accuracy NLP pipelines in Python, specifically focusing on multi-class sentiment classification and aspect-based analysis for retail and SaaS brands. By utilizing specialized libraries like Hugging Face and Pandas, I have helped businesses turn fragmented, qualitative text into quantitative metrics that drive actual product roadmap decisions and improve overall customer retention rates. My technical approach begins with rigorous text preprocessing—handling emojis, slang, and negation—using SpaCy to ensure the data is pristine. I will then implement a hybrid modeling strategy, utilizing VADER for rapid initial screening and fine-tuned BERT-based Transformers for deeper semantic context, ensuring we accurately capture sarcasm or complex sentiment structures that standard tools miss. Finally, I will aggregate these scores into a structured analysis that segments sentiment by recurring keywords or product attributes, providing you with a clear heat map of customer satisfaction levels across various touchpoints. Are the reviews currently stored in a structured database like SQL or within unstructured files like CSV or JSON? Additionally, are you looking for a one-time report or an automated script that can process new reviews dynamically as they are submitted? I’d welcome the opportunity to discuss your specific goals for this data; feel free to reach out here to coordinate a brief sync or simply message me with your current dataset parameters to get started.
$639 USD trong 21 ngày
3,3
3,3

Welcome to professional Python development services! Hi there, I'm Alema, a Python expert programmer who strives for clear code in atmospheric, numerical weather prediction, physics, and all other seminal fields. I'm ready to provide you with high-quality services. I have completed 350+ projects with a 100% Positive Rating. If you are looking for Quality work, look no further. Also, we are a team of professional workers, and we are always available 24/7 to help employers without limitations, and delivery is guaranteed on time. Your faithfully. Eng. Alema Akter
$250 USD trong 2 ngày
3,1
3,1

I see you need a Python pipeline to clean, standardize, and analyze customer reviews, focusing initially on English sentiment detection with room for future multilingual support. Your goal of extracting clear, data-driven insights and visualizing sentiment trends is well defined and actionable. You want the pipeline to handle multiple input formats like CSV, Excel, or direct database exports, cleaning the data by removing HTML tags, punctuation, stop-words, and normalizing text. The sentiment classification should leverage NLTK and TextBlob for tokenization, lemmatization, and polarity scoring, while also detecting language to isolate English reviews for this phase. Deliverables include a cleaned dataset with sentiment labels, a well-commented script or notebook, three clear visualizations, and a summary report explaining your methodology and findings. I have built sentiment analysis pipelines using Python that clean and preprocess raw review data from CSVs and databases, integrating NLTK and TextBlob for natural language processing and sentiment scoring. I also produced visualizations such as sentiment distribution charts and word clouds embedded in Jupyter notebooks, making it easy for stakeholders to interpret the results. This experience aligns directly with your requirements for a clean, extensible, and well-documented solution. I can deliver the full end-to-end workflow, including data cleaning, sentiment analysis, visualizations, and the report, within 7 days. Let’s discuss the specific formats you’ll be working with to ensure the pipeline fits your data sources perfectly.
$275 USD trong 7 ngày
2,8
2,8

Hello, I can efficiently deliver the Python sentiment analysis project based on your needs. I’ll start by cleaning and standardizing the dataset, handling empty rows, removing noise, and normalizing text. Next, I’ll build a robust sentiment classification pipeline using NLTK and TextBlob, ensuring language detection for English reviews while keeping the code extensible for future languages. I’ll also create clear visualizations like sentiment distribution charts and word clouds, along with a concise summary report. With 5+ years of experience, I’ll ensure everything runs smoothly on Python 3.x with common libraries. Message me for samples or to discuss further. Thanks, Adegoke. M
$338 USD trong 3 ngày
3,0
3,0

Alexandria, Egypt
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