You will get accurate Data Cleaning & Formatting | Pivot Table bonus
Top Rated
Project details
With over 5 years of experience in research and market analysis, I have deep knowledge of Excel Data Entry, Data Manipulation, Data Merge, Data Cleaning, and Formatting etc. I specialize in handling large data sets efficiently and accurately.
Here is the list of services I can provide:
• Data Cleaning (duplicates removal, outliers detection, filling missed data fields etc)
• Data Formatting / Conditional Formatting
• Data manipulation
• Data type and format setting
• Merging multiple tables
• Separating data into columns
•Linking different spreadsheets
•Pivot tables setup
Here is the list of services I can provide:
• Data Cleaning (duplicates removal, outliers detection, filling missed data fields etc)
• Data Formatting / Conditional Formatting
• Data manipulation
• Data type and format setting
• Merging multiple tables
• Separating data into columns
•Linking different spreadsheets
•Pivot tables setup
Data Tool
Microsoft ExcelWhat's included
| Service Tiers |
Starter
$30
|
Standard
$50
|
Advanced
$100
|
|---|---|---|---|
| Delivery Time | 1 day | 2 days | 3 days |
Number of Revisions | 1 | 1 | 2 |
Number of Pages Mined/Scraped | 10 | 25 | 50 |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$30 - $50
4 reviews
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KI
Krastio I.
Jun 18, 2026
Looker Studio dashboards
Maria did an amazing job on our BigQuery and Looker Studio project. She is highly skilled in writing complex queries and creating insightful, clear dashboards. Communication was seamless—she was incredibly fast and responsive to all questions and handled every task with great efficiency. I am extremely satisfied with her work and highly recommend her to anyone looking for a top-tier data analyst!
KI
Krastio I.
Jun 18, 2026
ERP Data Insights & Dashboards (Google Sheets/Looker Studio)
DS
David S.
Apr 21, 2025
Predicting LTV from today and from user start date
Mariia is an amazing collaborator and will for sure work with her more times.
DS
David S.
Feb 27, 2025
You will get analysis of A/B testing in Python
About Mariia
Data Analyst | SQL | Tableau | Looker Studio | 5+ years expertise
100%
Job Success
Dnipro, Ukraine - 5:00 pm local time
Here is how I can help you:
✅ Extract your data from other sources, transform it and load
✅ Clean from duplicates, outliers and blank rows, anomaly detection
✅ Improving the accuracy of data
✅ Aggregate data into clear and meaningful Pivot Tables
✅ Prepare reports in Google Sheets / Excel
✅ Analyze and interpret complex datasets
✅ Find patterns
✅ Prepare clear and meaningful analytical reports
✅ Ad-hoc reports
✅ Develop interactive dashboards in Looker Studio, Tableau, Power BI, and support them
✅ Write efficient SQL queries for data extraction & manipulation
✅ Calculate and analyze User Metrics like CPC, CPM, DAU, MAU, WAU, CAC, LTV, ARPU, ARPPU, Churned users, MRR, Contraction/Expansion MRR
✅ KPI definition and tracking through real-time dashboards in Looker Studio, Tableau and Power BI
✅ Perform and analyze A/B testing experiments using Python
My Technical Skills include:
✔ Excel & Google Sheets (Pivot Tables, Multi-level sorting, IF, VLOOKUP, HLOOKUP etc.)
✔ SQL (PostgreSQL) & BigQuery (multistructural tables transformation)
✔ Python, big data manipulation libraries (Pandas, NumPy, SciPy, Matplotlib, Seaborn)
✔ Data visualization in Looker Studio | Tableau | Power BI
✔ DAX language (formulas repairment, formulas building)
Stages of Work:
1. Technical task & Consultation. You describe your prefernces for the project execution and provide data sets to work with. If you have any samples of dashboards or colour prefernces, it would be perfect. If not, I will advice you some samples so you could choose the best fit
✔ To ensure you will get exactly what you need in short time and good quality
✔ To set deadlines and timeframes
✔ To set preffered design features
2. Data Analysis & Visualization. After finalizing the details, I create a test table/chart for you to ensure suitability. Once test table/chart is approved we proceed with the project
✔ Accuracy and precision
✔ Detail-oriented approach
3. Validation & Final adjustments. I send you finished project for review and await any adjustments you may have. The project is ready when you are satisfied with final results
✔ Be updated with the process of the work
✔ Make adjustments to ensure you recieve a perfect result
With a keen eye for detail and a passion for problem-solving, I ensure my clients get accurate, insightful, and actionable reports to make informed decisions.
Let’s collaborate and turn your data into a powerful business asset! 🚀
📩 Contact me today to discuss your project needs!
🔍 Click the «Invite» button on the top right of this page to start our discussion.
Best regards,
Mariia
KEYWORDS:
Data Analytics, Data cleaning, Product Analytics, Report Writing, Unit Economics, User Metrics, Pivot Table, Data Aggregation, Writing Analytical Reports, Data Accuracy, Data Validation, Excel, Google Sheets, Google tables, Google Data Studio, Looker Studio, KPI metrics, Data Visualization, interactive dashboard, Tableau, Power BI, Microsoft Power BI, purchase funnel, DAX, formulas building, SQL, PostgreSQL, BigQuery, Ad-hoc reports, ETL, Python, Pandas, NumPy, SciPy, Seaborn, Matplotlib, Multi-level sorting, IF, VLOOKUP, HLOOKUP, Tableau Dashboard, Looker Studio Dashboard, Google Data Studio dashboard, data extraction, complex interactive reports, diplicates removal, statistical analysis, A/B testing, results interpretation, incremental analysis, statistical tests analysis, experiments analysis
Steps for completing your project
After purchasing the project, send requirements so Mariia can start the project.
Delivery time starts when Mariia receives requirements from you.
Mariia works on your project following the steps below.
Revisions may occur after the delivery date.
Unpacking and inspection
- transforming CSV file into the table using appropriate delimeter and enable editing - merge multiple excel data into one master file - detecting blank rows, format errors etc - research and fill the missing data fields
Cleaning and preprocessing
- diplicates removal - fixing format errors (data type and format setting) - separating data into columns (first and last name, zip code and city etc) - conditional formatting - linking different spreadsheets - pivot table setup