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feat: add rolling stats, K-Means clustering, and hypothesis testing
Nolan Zandi +1: Claude Sonnet 4.6- Add rolling_stats_func: overlays rolling mean/std/min/max on a time series using plotly.graph_objects; supports optional category grouping - Add kmeans_clustering_func: StandardScaler + KMeans (sklearn), scatter plot coloured by cluster, centroid summary table - Add hypothesis_test_func: independent/one-sample t-test (scipy) and chi-square test of independence; returns styled HTML results table - Register all three in tool schemas, __init__.py, available_functions, and system message; add scipy and scikit-learn to requirements.txt - Refactor chart_tools.py: extract _LAYOUT_PARAM and _TRACE_STYLE_PARAM constants to eliminate ~8x copy-paste; remove layout from required arrays on line/bar/pie; fix hardcoded 'SQLite' references; standardise all tool descriptions to consistent what/when/returns format - Refactor stats_tools.py: same description standardisation - Shorten tools_desc in system message from 13 lines to 2 sentences (LLM already receives full schema descriptions…7afc8ec -
feat: add box plot, correlation heatmap, and descriptive statistics
Nolan Zandi +1: Claude Sonnet 4.6New analysis functions: - box_chart_generation_func: distribution and outlier visualisation, optional x-axis grouping and colour category (px.box) - correlation_heatmap_func: pairwise Pearson correlation heatmap for numeric columns using RdBu_r scale (px.imshow); defaults to all numeric columns if none specified - descriptive_stats_func: inline summary statistics table (count, mean, std, min, 25/50/75%, max) styled to match the app theme Supporting changes: - Tool schemas added to chart_tools.py and stats_tools.py - All three functions exported from functions/__init__.py - All three wired into available_functions in chatbot_func - system_message refactored: removed repetition across 4 data-source variants via shared tools_desc string; fixed longstanding bug where bar_chart_generation_func was referred to as line_chart_generation_func in the doc_db and graphql system prompts Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>c007902
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condense query functions
Nolan Zandi9dfb507
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refactor example question generator
Nolan Zandi4ad19e8 -
refactor chat functions
Nolan Zandib1d71ae
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add secondary query function
Nolan Zandibe3a88a -
first version of graphql integration
Nolan Zandif907f2a
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integration mongodb
Nolan Zandi18b1006
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first draft of sql integration
Nolan Zandi8310dd0
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new functions for charts
Nolan Zandi21b2bc8
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refactoring functions for large queries
Nolan Zandieb04348
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first version of regressions
Nolan Zandid263b50
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refactoring our code and adding updates to functions to make them more accurate
Nolan Zandia0b8cd8
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add table generation and download
Nolan Zandifd47936
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first draft of adding charts and graphs with quickchart
Nolan Zandi50a58d3
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latest working version
Nolan Zandi3facbf1