Excel Data Cleaning & Validation

@gowrik16

Hi, I’m a Data Analyst with 2+ years of experience working with Excel, Power Query, data cleaning, validation, and analysis. Your requirement is closely aligned with my experience in preparing reliable, analysis-ready datasets. I can handle the complete cleanup workflow: • Identify and remove duplicate primary keys while preserving the correct records • Standardize date, number, currency, and text formats across sheets • Check missing values and either fill them where the data dictionary supports it or clearly flag them for review • Identify and flag obvious outliers without unnecessarily changing valid data • Apply validation checks based on your data dictionary • Preserve your existing workbook/sheet structure • Add a clear change-log sheet documenting the fixes and rows requiring review • Perform a final quality check to ensure there are no remaining duplicate keys or validation issues I can use Excel and Power Query to make the process efficient and, where appropriate, repeatable for future datasets. My focus is not just cleaning the workbook, but ensuring the final data is consistent, traceable, and ready for downstream analysis. I’m available to start with the raw workbook and data dictionary and can provide a clean, validated final file with the requested change log. Thank you. K. Gowri

@gunjan1711

Hi, I can clean and standardise your Excel workbooks so the data is reliable and ready for downstream analysis. - Strong experience with Excel and data analysis - Remove duplicates and validate primary keys for clean datasets - Standardise date, number, text, and field formats consistently - Identify obvious outliers and flag records requiring review - Handle missing values by filling where appropriate or clearly marking gaps - Use Power Query for repeatable data-cleaning workflows where suitable - Maintain the existing sheet structure and document key transformations in a change log Reference work is available in my profile.

@Jennycreation

Hello Sir, I have already worked on many **cryptocurrency trading systems, automated trading platforms, and exchange API integration projects**. I can also show you demos of my previous work. I am a full-time freelancer with **17+ years of experience** in software development, trading automation, and financial API integrations. My relevant experience includes: * Cryptocurrency trading platforms * Binance and Bybit API integration * MT4 and MT5 trading automation * C#-based copy trading software * Arbitrage trading systems (Binance ↔ Bybit) * Automated order execution (Buy/Sell/Square Off) * Portfolio and position management * Margin and risk management features * Real-time market data integration * Trading bots and strategy automation I have already developed a **C#-based Copy Trading Software** where trades from a master account are automatically copied to multiple child accounts. I have also built **arbitrage trading systems** between Binance and Bybit using their official APIs. In addition, I have developed trading platforms using **Zerodha Kite API, Alice Blue API, Angel One API, and Profitmart API**, including features such as order placement, position management, square-off, margin calculation, and automated trading execution. I have also implemented strategy automation using **AmiBroker CSV integration**. I can start working immediately and deliver a secure, scalable, and reliable trading solution based on your requirements. Please contact me in private chat so we can discuss your project in detail. I will be happy to show you **live demos and examples of my previous trading projects**. Looking forward to working with you. Thanks & Regards, Sanjay

@StaceyG23

I DON'T COMPETE ON PRICE. I COMPETE ON RESULTS. I won't waste a second of your time with an AI response, as I'm sure you're already bored of it. So lets talk with facts, actions and implementation. I can help you achieve clean, validated data that you can trust for analysis. I understand the importance of having duplicates removed, formats harmonised, and any missing values clearly marked to ensure a seamless workflow. My expertise in Excel includes advanced data cleaning techniques, using macros and Power Query to enhance efficiency and accuracy. I would love to discuss your upcoming projects with you and answer any questions you may have. Kind Regards, Stacey

@marvind18

You need several Excel workbooks cleaned and standardized so duplicates, formatting issues, missing values, and validation errors are fully addressed. I have 9+ years of data processing and database experience, including structured data workflows with PostgreSQL and Python. I can clean duplicate primary keys, standardize date and number formats, validate columns against your data dictionary, identify obvious outliers, and clearly flag missing or uncertain values. I’ll preserve the existing sheet structure and add a clear change log documenting the fixes and rows requiring review. If repeatability is needed, I can also structure the cleanup using Excel formulas or automation where appropriate.

@bayuprasdhi

I can clean, validate, and standardise your Excel spreadsheets according to your data dictionary to ensure error-free columns. - Remove duplicates and harmonise date and number formats - Flag outliers and fill or mark missing gaps - Deliver the cleaned workbook with a complete change log How many rows or workbooks are we processing, and when do you need this completed?

@asriardyanto

Hi there, I’d be happy to help clean, validate, and standardise your Excel workbooks. I have experience working with Excel data cleaning, duplicate removal, formatting, sorting, validation checks, missing value review, and preparing clean spreadsheets for reporting or analysis. I understand that the final workbook needs to preserve the existing sheet structure while making the data consistent and reliable. For this project, I can help with: * Locating and removing duplicate primary keys * Standardising date, number, and text formats * Checking missing values and clearly marking gaps * Spotting and flagging obvious outliers * Preserving your current workbook structure * Creating a change log sheet with key fixes and flagged rows * Using Excel tools such as filters, formulas, validation rules, and basic Power Query if needed My proposed rate is ₹300/hour. I can start with one workbook or sample batch first so you can review the cleanup quality before continuing. Best regards, Asri Handayani

@mariamshaikh018

Hi, cleaning your workbooks so every column ends up duplicate free and consistent, with gaps flagged clearly. The tricky part is doing it in Power Query so you can just refresh it next time. How many workbooks are we talking about? I've done this exact cleanup for a wholesaler's inventory sheets before. Happy to start with one sheet so you can check the approach. Regards, Mariam

@zhentaoy

Hi, I can clean and validate the Excel workbooks while preserving the existing sheet structure. I will remove duplicate records, standardize date and number formats, check primary keys, flag obvious outliers, and mark missing values according to your data dictionary instead of guessing. I will also add a clear change-log sheet listing the fixes and any rows that need your review, then run a final validation pass before delivery. I can start promptly once the workbooks and data dictionary are provided.

@Mobarak303

I can help clean and standardize your Excel spreadsheets so they are reliable for downstream analysis. My approach: Identify and remove duplicate records while preserving the correct structure Standardize date, number, currency, and percentage formats Review missing values and clearly flag items requiring attention Detect obvious outliers and document all changes made Provide a cleaned workbook with a detailed change log sheet I have experience with Excel data cleaning, Power Query, formulas, and validation techniques. I focus on accuracy, consistency, and creating files that remain easy to maintain in the future.

@keltond5

I can clean and validate your Excel spreadsheets by removing duplicates, standardising formats, flagging missing values and documenting the changes. I will preserve the existing structure and provide a concise change log for review. I can start promptly and deliver accurate, well-organised files.

@rubentor

Hi — I'm a Python developer focused on scraping, Excel/CSV pipelines, and small automation. I can deliver Excel Data Cleaning & Validation end-to-end: clean script (requests/BeautifulSoup/Selenium or Playwright / pandas as needed), structured Excel/CSV output, and a short README so you can re-run it. I'll confirm the exact fields/sources first, then ship a working deliverable within the proposed timeframe. Happy to adjust columns or filters after your first review. — rubentor

@maoohta

Hi, I can clean the workbooks while keeping your sheet structure intact. I'll remove duplicate keys, standardise dates and numbers, and add a short change log with anything that needs your review. Missing values will be flagged rather than guessed. Please share a sample workbook and the data dictionary so I can confirm the hours and delivery time. We can handle everything through written messages.

@ericm612

I can clean and validate your mixed Excel spreadsheets: remove or flag duplicates, standardize text, date and number formats, mark missing values, and return a cleaned workbook with a change-log sheet. For this first project I can start at ₹300/hour, capped at 2 hours for one bounded workbook or sample batch, delivered within 1 day. Can you confirm approximate row count?

@yzamir

Hello, I can clean and validate the supplied Excel workbooks while keeping the existing sheet structure intact. I will locate and remove duplicate rows, standardize date and number formats, and check each column against your data dictionary. I will flag obvious outliers and incomplete records clearly instead of changing information without support. The final workbook will remain easy to review, with a separate change log noting the key fixes and any rows held for your decision. I can work carefully through the initial batch within a 10-hour weekly limit and send a small sample early so you can confirm the formatting. I am comfortable with straightforward manual Excel cleanup and can begin as soon as the files are shared.

@mohmedal14

Hi, I’ve reviewed the project requirements and understand that the main goal is to make the data clean, consistent, and reliable for further analysis. I can remove duplicate records, standardize date and number formats, identify missing values and obvious outliers, and make sure primary keys are unique. I’ll preserve the existing workbook structure and include a separate change log showing the main corrections and any records that need your review. I can work with Excel directly and use Python/Pandas where needed for validation and accuracy. I’m available to start once you send the workbook and data dictionary.