variance-analysis

统计分析课程实验作业/包含《统计分析方法》中因子分析，主成分分析，Kmeans聚类等典型算法的手写实现

Professional financial modeling toolkit for Claude Code with auto-invoked Skills. Build DCF models, LBO analysis, variance reports, and pivot tables using natural language.

Demo on the capability of Yandex CatBoost gradient boosting classifier on a fictitious IBM HR dataset obtained from Kaggle. Data exploration, cleaning, preprocessing and model tuning are performed on the dataset

A Python package for variance ratio testing, weak-form efficiency diagnostics, rolling-window analysis, and simulation-based research on financial time series.

Job-ready FP&A & Financial Analytics portfolio—forecasting, variance analysis, KPI dashboards, and executive reporting (Python/SQL).

Gene Set Enrichment Class Analysis for heterogeneous RNA sequencing data

GAUSS implementation of ICSS from Sansó et al. "Testing for Changes in the Unconditional Variance of Financial Time Series"

Process behavior charts (control charts / SPC) for Python — XmR, Xbar-S, histograms, capability, Taguchi loss. Implements Bishop's Variance Analysis System with chart math validated against published reference results.

A practical FP&A operating cockpit for management reporting, month-end close, variance analysis, scenarios, and finance transformation.

In this note, we will give the recursive formulas for sample mean and sample variance, and their generalized forms for batch updates.

A -2.76% Variance in Income Actuals ($6.91M). A 7.67% Savings in Expense Actuals through efficient budget management. Visual Risk Assessment for five unique project IDs using conditional formatting.

This is the repo for the project in Combinatorial Decision Making and Optimization at @unibo: optimizing a stock portofolio by using linear and quadratic optimization functions.

A practical, non-coding Excel / Power BI-ready FP&A project for a B2B SaaS company. The model forecasts monthly cash inflows, outflows and balances; compares Budget vs Actual; analyzes AR, AP and working capital; tests Best/Base/Worst scenarios; predicts cash shortages; calculates runway; and presents management recommendations through an executive

Weekly Plan vs Actual dashboard for engineering/construction projects. Power BI (DAX/modeling), variance hotspots and a simple pace index. Demo data included.

Excel dashboard to identify overspending across departments and highlight areas requiring immediate cost control

Excel FP&A and business control model for a synthetic renewable energy portfolio using Power Query, variance analysis, scenario modeling, and dashboard reporting.

📈 revenue-forecasting-variance

AI agent skill to turn forecast models into driver-level monitoring systems with sensitivity-derived alerts, semantic layer mapping, and variance analysis.

Executive-level B2B Sales Forecasting & Revenue Trend Analysis dashboard built with HTML, CSS, and JS, featuring a Pandas aggregation pipeline to analyze 100k+ transactional sales records.

In this note, we will analyze the variance of stepwise sample means (SSM).