ENYEMAKA

Data Analysis

Professional data work from cleaning and exploration through to dashboards and strategic reporting. No machine learning or AI development. Business-focused analysis and insight delivery.

Data Cleaning and Preparation — Standard (up to 10,000 rows, up to 20 columns)

Takes the client's raw dataset and produces a clean, structured, analysis-ready version with full documentation of every change made.

What's included (8 items)
  • Duplicate detection and removal
  • Missing value assessment and treatment
  • Inconsistent formatting standardised
  • Data type correction
  • Outlier identification and flagging
  • Structural errors corrected
  • Clean dataset in agreed format (Excel, CSV, or Google Sheets)
  • Data cleaning report documenting every change made
1 revision round5-day deliveryRequest this service

Data Cleaning and Preparation — Large (10,000 to 100,000 rows)

Same scope as Service 7.1a but for larger datasets up to 100,000 rows.

What's included (2 items)
  • All deliverables from Service 7.1a
  • Extended cleaning for datasets up to 100,000 rows
1 revision round5-day deliveryRequest this service

Exploratory Data Analysis Report — Standard (up to 10 variables)

A professional written report with supporting visualisations that tells the client what their data is saying, without spin or assumption.

What's included (9 items)
  • Dataset overview: size, variables, completeness
  • Univariate analysis for all specified variables
  • Bivariate analysis of key variable relationships
  • Trend analysis where time series data is present
  • Anomaly and outlier identification
  • Key findings in plain business language
  • Supporting visualisations for all major findings
  • Recommendations for further analysis if relevant
  • Delivered as PDF report and supporting data file
2 revision rounds7-day deliveryRequest this service

Exploratory Data Analysis Report — Extended (10 to 25 variables)

Same scope as Service 7.2a but covering 10 to 25 variables for more complex datasets.

What's included (2 items)
  • All deliverables from Service 7.2a
  • Analysis covering 10 to 25 specified variables
2 revision rounds7-day deliveryRequest this service

Statistical Analysis Report

Applies appropriate statistical methods to test hypotheses, measure relationships, and produce findings that can be defended with statistical evidence, in a format non-technical stakeholders can understand.

What's included (9 items)
  • Clear statement of the business question and hypothesis being tested
  • Selection and justification of statistical methods
  • Analysis using agreed methodology
  • Results with confidence levels and significance indicators
  • Plain-language interpretation of results
  • Limitations and caveats clearly stated
  • All workings documented and reproducible
  • Delivered as PDF report with supporting data file
  • Methods covered: descriptive statistics, correlation analysis (Pearson, Spearman), hypothesis testing (t-tests, chi-square, ANOVA), regression analysis, cohort analysis, A/B test analysis, variance analysis
2 revision rounds10-day deliveryRequest this service

Dashboard Creation — Basic (up to 5 charts, single data source)

A professional dashboard in Power BI, Tableau, Google Looker Studio, or Excel. Designed to be used, not just admired.

What's included (6 items)
  • Up to 5 visualisations (charts, KPI cards, tables)
  • Connected to 1 data source
  • Filters and slicers as specified in brief
  • Mobile-responsive layout where platform permits
  • Written client walkthrough documentation
  • Full access credentials on delivery
2 revision rounds7-day deliveryRequest this service

Dashboard Creation — Standard (up to 15 charts, up to 3 data sources)

A multi-page dashboard connecting up to 3 data sources, with drill-through, KPI scorecards, and brand styling.

What's included (7 items)
  • Up to 15 visualisations across multiple pages or tabs
  • Connected to up to 3 data sources
  • Filters, slicers, and drill-through functionality
  • KPI scorecards and trend indicators
  • Brand styling aligned to client guidelines
  • Written walkthrough documentation
  • 30-minute virtual handover session
2 revision rounds14-day deliveryRequest this service

Dashboard Creation — Advanced (15+ charts, multiple data sources, complex logic)

Enterprise-grade dashboard with advanced chart types, complex calculated measures, row-level security, and automated refresh. Scope confirmed individually before quoting.

What's included (7 items)
  • All features in Service 7.4b
  • More than 15 visualisations with advanced chart types
  • Complex calculated measures and custom metrics
  • Row-level security or access controls
  • Automated data refresh configuration
  • Comprehensive written documentation
  • 60-minute virtual handover session
3 revision rounds21-day deliveryRequest this service

Advanced dashboards are quoted individually. Manager must confirm exact chart count, data source count, and complexity with client and founder before issuing a quote.

Monthly Data Reporting Package — Starter (up to 10 KPIs, single data source)

A professional monthly data report covering agreed KPIs with period-on-period comparisons and plain-language commentary.

What's included (5 items)
  • Monthly data report within first 5 business days of the following month
  • Agreed KPIs tracked with period-on-period comparison
  • Visual charts for all tracked metrics
  • Written commentary on notable changes and anomalies
  • Delivered as PDF report and supporting data file
1 revision roundMonthly retainerRequest this service

Monthly Data Reporting Package — Growth (up to 25 KPIs, up to 3 data sources)

Same as 7.5a but covering up to 25 KPIs across up to 3 data sources for more complex reporting needs.

What's included (2 items)
  • All deliverables from Service 7.5a
  • Coverage of up to 25 KPIs across up to 3 data sources
1 revision roundMonthly retainerRequest this service

Business Intelligence Consulting (Strategic Advisory)

A working session plus written roadmap helping the client understand their current data situation, identify gaps, define the KPIs that matter, and produce a plan for turning data into a reliable decision-making tool.

What's included (6 items)
  • Pre-engagement questionnaire
  • 90-minute working session (virtual)
  • Written assessment: current data state, gaps, risks, and priority areas
  • Recommended KPIs aligned to business goals
  • Data roadmap: 3 to 6 month prioritised plan
  • Delivered within 5 business days of working session
1 revision round5-day deliveryRequest this service

Ready to commission data analysis work?

Submit a request and we'll scope, assign, and manage the engagement.

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