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I have a data-analysis assignment focused solely on cleaning a dataset I refer to as “Point 131.” The current raw file shows a CPM value of 116 but contains inconsistencies, blanks, and probable entry errors that must be resolved so the final table reflects 100 % accuracy. What I need from you is a systematic, well-documented cleaning pass: remove duplicates, correct obvious typos, standardize formats, flag outliers, and leave me with a pristine file plus a brief change log that explains every edit. I am not under time pressure, so you can take the time required to reach the highest quality standard rather than rushing through. You may use whichever tools you are most comfortable with—Python (pandas), R (dplyr), Excel Power Query, or any reliable data-wrangling environment—as long as the end result is a fully validated dataset and a concise report of steps taken. Deliverables • Cleaned dataset in the same original format (CSV or Excel) • Change log / quality-assurance notes summarizing fixes and assumptions I’ll happily answer clarifying questions up front so you can dive straight into the work.
Project ID: 40437752
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11 freelancers are bidding on average ₹1,716 INR for this job

Hello, I’d be happy to help clean and validate your “Point 131” dataset professionally and thoroughly. I have experience with: • Data cleaning and preprocessing • Python (Pandas), Excel Power Query, and SQL workflows • Duplicate detection and validation • Outlier analysis and quality assurance reporting I can perform: • Duplicate removal • Missing-value handling • Typo and formatting correction • Standardization of fields and structures • Outlier detection and flagging • CPM consistency checks and validation I will also provide: • A fully cleaned dataset in the original format (CSV/Excel) • A clear change log documenting every major correction and assumption • QA notes explaining validation and cleaning steps taken I focus on: • accuracy and traceability • clean, reproducible workflows • careful manual review where needed • high-quality final validation rather than rushed edits Since quality is your priority, I’ll take a systematic approach to ensure the final dataset is reliable and analysis-ready. Ready to start once you share the raw file and any field-specific rules or expectations. Best regards.
₹8,000 INR in 4 days
5.2
5.2

Hi, I am Syed Taha Hussain, and I would love to handle the data cleaning assignment for you. Data normalisation , data cleaning and data visualisation are my primary skills. I am a data and financial analyst with extensive experience building professional models that transform raw datasets into clear, reliable insights. I am an expert in using Power Query and Advanced Excel Formulas (like INDEX MATCH) to resolve inconsistencies and entry errors. I specialize in large scale duplicate removal, outlier flagging, and text standardisation, ensuring your final table is 100% accurate. I have a strong background in designing complex data tracking workbooks and have completed several technical auditing projects. Kindly message me in the chat so we can discuss the specifics and get started
₹950 INR in 2 days
3.5
3.5

I see you're working on cleaning the "Point 131" dataset. I've handled similar data cleaning tasks using Python and can help you achieve that 100% accuracy you're aiming for. What's the biggest challenge you've faced with this dataset?
₹1,080 INR in 7 days
2.5
2.5

Hi, I've worked on quite a few data cleaning projects like this, so I understand exactly what "Point 131" needs. Here's my plan: I'll load your raw file, check every column for blanks and fill or flag them based on context. Duplicates get removed with a log entry explaining which rows were dropped. For the CPM field (currently 116), I'll cross-check it against surrounding values to confirm it's correct or flag it as a potential outlier. Format inconsistencies, date patterns, number formatting, all get standardized in one pass. You'll get back a clean Excel or CSV file plus a simple change log, one line per fix, so you know exactly what changed and why. Nothing vague. I do not rush this kind of work. A proper cleaning pass takes careful eyes, not just scripts. Ready to start today. — Om Kumar Singh
₹1,500 INR in 2 days
2.2
2.2

Hi! I can help you clean and validate the “Point 131” dataset carefully and systematically to ensure the highest possible accuracy. I’m comfortable working with Python/pandas and Excel for data cleaning tasks such as: * removing duplicates, * fixing inconsistencies and formatting issues, * correcting obvious entry errors, * handling missing values, * flagging potential outliers, * and documenting every important change clearly. I understand that quality is the priority here, so I’ll take a thorough approach and provide: * the cleaned dataset in the original format, * plus a concise change log explaining all fixes and assumptions made during the process. I’m also happy to review any additional notes or answer questions before starting. Looking forward to working with you!
₹1,000 INR in 3 days
1.2
1.2

Hi there, I am Faraz, I can professionally clean and validate your “Point 131” dataset to ensure maximum accuracy and consistency. I’ll perform a complete data-cleaning process including removing duplicates, fixing obvious entry errors and typos, standardizing formats, handling missing values, and identifying suspicious outliers. The final delivery will include a fully cleaned dataset in the original format (CSV or Excel) along with a clear change log documenting all corrections, assumptions, and quality-assurance checks carried out during the process. Regards, Faraz.
₹600 INR in 1 day
0.0
0.0

Hi, To enhance the accuracy of your dataset, I can systematically remove duplicates, correct typos, and standardize formats, while ensuring outliers are flagged appropriately. What specific inconsistencies have you noticed in the dataset so far? With a strong background in data analysis and cleaning, I utilize Python (pandas) to efficiently process data and document each step meticulously. I will provide you with a cleaned dataset in your preferred format (CSV or Excel) along with a detailed change log that outlines every modification made. I prioritize high-quality standards over speed, ensuring that you receive a pristine dataset reflecting 100% accuracy. I’m ready to start as soon as you share any initial details or expectations. Let’s elevate your data quality together. Best Regards, Hamid Kiani
₹1,100 INR in 3 days
0.0
0.0

Dear Client, I have strong experience in data cleaning, validation, and quality assurance using Python, Excel Power Query, and other data-processing tools. I can perform a detailed cleaning pass on your “Point 131” dataset by removing duplicates, correcting inconsistencies, standardizing formats, identifying missing values, and flagging potential outliers or entry errors to achieve the highest possible accuracy. My workflow focuses on careful validation and well-documented changes so every modification remains transparent and traceable. You will receive a fully cleaned dataset in the original format along with a concise quality-assurance report and change log summarizing all fixes, assumptions, and validation steps performed during the process. Best regards
₹1,050 INR in 7 days
0.0
0.0

Hi, I've cleaned datasets exactly like this — messy CPM tables with blanks, duplicates, and entry errors. I know what "Point 131" likely looks like before I even open it, and I know how to fix it fast without cutting corners. Here's exactly what you'll get: ✅ Duplicates removed ✅ Typos corrected, formats standardized ✅ Outliers flagged with reasoning (not silently deleted) ✅ CPM field fully validated against logical thresholds ✅ Clean CSV/Excel in your original structure ✅ A clear change log — every edit explained, every assumption documented I'll use Python (pandas) for a fully reproducible pipeline, so if you ever get a new raw file, cleaning it takes one click. One thing that will save us both time: before I start, I'll send you 3 quick questions — expected CPM range, any reference tables, preferred output format. That way I dive straight into the work with zero back-and-forth later. No rushing. No guessing. Just a dataset you can stake your analysis on. Ready to start today — just say the word. Best,
₹1,050 INR in 7 days
0.0
0.0

I am ready to take on the "Point 131" dataset cleaning task. Since precision and documentation are your primary goals, I will treat this as a forensic data-validation exercise. I’ll use Python (Pandas) for the heavy lifting, as it allows for a highly granular "Audit Trail" and repeatable validation checks. My Proposed Quality-Assurance Workflow Integrity Baseline: I’ll first establish the "Raw State" by calculating summary statistics and identifying exactly where that CPM value of 116 currently stands. Deduplication & Standardizing: Identifying hidden duplicates (e.g., nearly identical rows with minor white-space differences) and standardizing all formats (dates, units, and naming conventions). Missing Value Treatment: I will analyze the "blanks" to determine if they are missing at random or if they can be logically imputed based on other row variables. Anomaly Detection: I will use Z-score or IQR methods to flag the outliers you mentioned, investigating if they are genuine data points or entry errors. Final Validation: A 100% accuracy check to ensure the CPM and other key metrics are mathematically sound after the cleanup.
₹1,050 INR in 3 days
0.0
0.0

Bhopal, India
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