Cherrie Cosby
Data Infrastructure · Systems Analysis · Polymath
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Multi-dimensional retail sales analysis built in Tableau — year-over-year breakdowns by region, state, department, and product mix with revenue projections. Includes bottom performer identification, sales per square foot, and quarterly trend analysis across multiple dashboard views. Tools: Tableau · Data Analysis.
Full data analysis in R examining Cyclistic bike-share rider behavior — comparing casual riders vs annual members to develop data-driven marketing strategies for membership conversion. Published on RPubs. Tools: R · RStudio · ggplot2 · tidyverse.
Business analysis for Lariat Car Rental — examining fleet utilization, revenue trends, and operational performance across locations. Full analysis includes data cleaning, exploratory analysis, and visualizations built in Excel. Published case study available online.
Geospatial data pipeline in active development — ClickHouse infrastructure with 5.6M+ rows of bike-share data, integrated weather and holiday data, SQL schema, validation queries, and Python pipeline. Tableau animated visualization layer in build-out. Tools: ClickHouse · Python · SQL · Tableau.
