YA
Yisau Abdulwariz AyomipoInteractive Analytics Portfolio · Decision-ready dashboard
Interactive dashboard · Filter the data, compare performance, inspect evidence and export the filtered view.
PROJECT 03_titanic_safety · Historical Cohort

Titanic Safety

Interactive decision intelligence · built by Yisau Abdulwariz

Yisau Abdulwariz — Data Analyst workspace
ANALYSTYisau AbdulwarizData Analyst · BI · AI Automation

Story

Finding 1. Overall survival is 31.1% across 1,800 passenger records.

Finding 2. Female survival is 72.3%, compared with 7.8% for male passengers.

Finding 3. 3rd-class survival is 24.9%, making class a major cohort lens alongside sex and family size.

Decision flow

Filter → compare KPIs → inspect charts → pivot → export.

Dataset: 1,800 rows · 9 fields.

DECISION BRIEF · PROJECT 03

What the data is telling the decision-maker

Loading a data-grounded finding…

Dataset
1,800 records · 9 fields
Business question
Which passenger cohorts experienced the greatest survival differences?
Workflow
Filter → compare KPIs → inspect charts → pivot → export.
KPI wallVisual analysisPivot explorerData tableRecommendations
All records · 0 active filters

Class by Passenger Group

How the primary measure is distributed across the leading dimension.

Sex mix

Composition of the active population across the comparison dimension.

Passenger Group trend

Directional movement of the primary measure across time or sequence.

Passenger Group vs Age

Relationship between the primary measure and a supporting performance metric.

Value distribution

Distribution of the primary measure across the filtered population.

Distribution of the primary analytical measure across the active population.

Category performance

Where the primary measure is concentrated across the second analytical dimension.

Supporting metric efficiency

Average supporting performance by the third analytical dimension.

Performance trajectory

A second perspective on movement over the available time or sequence field.

Interactive Pivot Explorer

Re-group the filtered population by rows, columns, measure and aggregation.

Exploration Table

Top 500 filtered rows · CSV export

DECISION ACTIONS

Recommendations

KPI DRILL-DOWN

Metric

← Back to portfolioBack to top
EXPERIMENT DESIGN LAB

A/B Test Planner & Decision Readout

Estimate a two-sided, two-proportion test sample size before launching a controlled experiment. Planning estimates are not a substitute for a pre-registered analysis plan.

01 / EXPERIMENTATION
Target conversion11.50%
Sample / variant—
Total sample—
Test setup2-sided · 1:1

Assumes independent users, a binary outcome and equal allocation. Adjust for attrition, clustering, multiple comparisons and practical significance before launch.

Experiment design lab

A/B test planner: quantify the decision before rollout

Use this planning calculator to estimate a simple two-arm test. Inputs are illustrative planning assumptions—not observed results or a substitute for a formal power analysis.

Variant A—participants
Variant B—participants
Total—participants
Target rate B—planning target

Planning method: normal approximation for two independent proportions, equal allocation. Validate assumptions with a statistical package before running a consequential experiment; account for clustering, multiple tests, attrition and business guardrails.