Business by Numbers - Reference Companions
The Book - "Business by Numbers" presents a comprehensive framework of simple and advanced analytics to measure and manage nearly every aspect of business planning, analysis, and control. This section provides (RC) Reference Companions — Compact look-ups with definitions, formulas, parameters, and checklists for quick, accurate use.
Reference Companion (RC) Glossary of Terms used in Market Demand Analysis
Gerry Skews - Arbite Software Services Ltd.
Download this practical glossary to cut through jargon in market demand work. It defines core concepts—from TAM/SAM/SOM, elasticity (price, income, cross-price), and market share to time-series essentials (trend, seasonality, exogenous drivers) and forecast error metrics (MAE, MAPE, RMSE)—in plain language. Each entry notes typical symbols, units, and common pitfalls, with quick pointers to where the term appears in models and dashboards. Built to align with Business by Numbers, it helps teams use consistent definitions across research, pricing, and forecasting so decisions compare like-for-like. Grab it as a fast reference beside your datasets, templates, and application papers.
Reference Companion (RC) Glossary of Statistical Terms & Predictive Analytics
Gerry Skews - Arbite Software Services Ltd.
Download this glossary to demystify the core language of statistics, predictive analytics, and data visualization in one handy reference. It covers descriptive and inferential terms (mean vs. median, variance, confidence intervals, p-values), model and ML essentials (features, cross-validation, regularization, overfitting, leakage), and evaluation metrics (accuracy, precision/recall, F1, ROC/AUC, MAE/MAPE/RMSE). You’ll also find clear guidance on visualization concepts—encodings, chart selection, color use, axes, log scales, and small multiples—plus quick “watch-outs” for common pitfalls and misreads. Each entry includes plain-English definitions, typical symbols/notation, and where it shows up in the Business by Numbers workflows and dashboards. Keep it beside your models and reports to ensure teams speak the same analytic dialect from dataset to decision.
Reference Companion (RC) Glossary of Data Visualization Tools & Graphics
Gerry Skews - Arbite Software Services Ltd.
Download this visual guide for a clear, software-agnostic tour of core chart families—comparison, change-over-time, distribution, composition, relationship, ranking, geospatial, hierarchical, and dashboard layouts. For each graphic we show the basic form, the question it answers, typical encodings (position, length, color, shape), and quick best-practice notes on scales, bins, labels, and uncertainty. Different tools use different names; we include common aliases (e.g., column vs. bar) to keep you oriented. The entries are deliberately brief so you can pick the right chart fast, avoid classic traps (dual-axis confusion, 3D distortion, misleading palettes), and tell a clean, accurate story from dataset to decision.