Trend Analysis and Data Processing Tools

Generate customizable area charts from data with filled areas under lines, perfect for showing trends and cumulative data

Generate customizable multi-line charts from data with various styling options

Calculate various types of moving averages (SMA, EMA, WMA, TMA) with trend analysis and trading signals

Advanced regression analysis tool for performing linear regression analysis, calculating regression statistics, and making predictions. Perfect for statistical modeling, trend analysis, forecasting, and understanding relationships between variables. Features: - Simple linear regression (y = mx + b) - Multiple linear regression support - Regression coefficients calculation - Statistical significance testing - R-squared and adjusted R-squared - Residual analysis and diagnostics - Prediction intervals and confidence intervals - Outlier detection in regression - Model validation metrics - Visual regression diagnostics - Data transformation support Common Use Cases: - Sales forecasting and trend analysis - Financial modeling and risk assessment - Scientific research and hypothesis testing - Quality control and process optimization - Marketing analytics and ROI analysis - Medical and biological research

Run simple linear regression on paired numeric data and inspect slope, intercept, correlation, and predictions

Calculate seasonal indices for time series data to identify seasonal patterns

Generate stacked area charts showing cumulative trends of multiple data series, perfect for visualizing total trends and component contributions

Upload CSV or JSON time series data, detect anomalies with Z-Score and IQR methods, and return a chart-backed report

Forecast future periods from CSV or JSON time-series data and inspect trend, seasonal, and residual decomposition in one report

Generate a KPI dashboard workbook with metric cards, trend table, and conditional warning formatting

Inject Excel sparklines into worksheet cells by patching XLSX sheet XML with sparkline definitions