calculate_yoy_growth    Calculate year-over-year growth rates
clean_numeric_column    Clean numeric column by removing special
                        characters
filter_helpers          Custom Filter Helper Functions
find_column             Column validation and mapping helpers
format_arpu             Format ARPU (Average Revenue Per User)
format_currency         Format currency values with appropriate
                        suffixes
format_downloads        Format download counts with appropriate
                        suffixes
format_large_number     Format large numbers with K/M/B suffixes
format_market_share     Format market share as percentage
format_percent          Format percentages
format_retention        Format retention rates
format_users            Format user counts (DAU/MAU/WAU)
format_vector           Create a vector of formatted values
formatting_helpers      Formatting Helper Functions
get_column_spec         Get column specification for common Sensor
                        Tower metrics
lookup_category_names   Helper function to look up category names
map_region_columns      Map region-specific columns intelligently
require_column          Validate column exists with fallback options
select_columns_safe     Select columns safely with fallbacks
select_robust           Safe column selection with automatic fallbacks
st_analyze_filter       Analyze Custom Filter Performance
st_api_diagnostics      Diagnose API Issues
st_app_details          Fetch Detailed App Metadata
st_app_enriched         Fetch Enriched Metrics for Specific Apps
st_app_info             Fetch Unified App or Publisher Information from
                        Sensor Tower
st_app_lookup           Look up app information by any ID type
st_app_tag              Fetch Apps by Custom Fields and Tags
st_batch_metrics        Batch Fetch Metrics for Multiple Apps
st_build_filter_url     Build Sensor Tower Filter URL
st_build_web_url        Create Sensor Tower Web URL from Parameters
st_cache_info           Show App ID Cache Statistics
st_categories           List Available Sensor Tower Categories
st_category_rankings    Fetch App Store Category Rankings
st_clear_app_cache      Clear App Name Cache
st_clear_id_cache       Clear App ID Cache
st_combine_filters      Combine Multiple Filters
st_compare_filter_results
                        Compare Results With and Without Custom Filter
st_create_simple_filter
                        Create or Get Filter ID for Custom Criteria
st_custom_fields        Custom Fields Filter Functions
st_custom_fields_filter
                        Create a Custom Fields Filter
st_custom_fields_filter_by_id
                        Get Custom Fields Filter Details by ID
st_custom_fields_utils
                        Custom Fields Utility Functions
st_custom_fields_values
                        Get Custom Fields Values
st_custom_fields_workflow
                        Custom Fields Filter Workflow Helper Functions
st_demographics         Fetch Demographics Data for Apps
st_discover_fields      Discover Available Custom Fields
st_extract_filter_id    Extract Filter ID from Sensor Tower URL
st_extract_url_params   Extract All Parameters from Sensor Tower URL
st_filter_by_date       Create Date-Based Filter
st_filter_by_genre      Create Genre-Based Filter
st_filter_by_monetization
                        Create Monetization-Based Filter
st_filter_by_publisher
                        Create Publisher-Based Filter
st_filter_by_sdk        Create SDK-Based Filter
st_game_summary         Fetch Game Market Summary Data
st_generate_example_filter_ids
                        Generate Example Filter IDs for Testing
st_get_app_names        Get App Names from Publisher Apps Result
st_get_filter_collection
                        Get Pre-Built Filter Collections
st_get_filtered_apps    Get Top Apps with Custom Filter
st_get_unified_mapping
                        Get Unified ID Mapping for Apps
st_gt_dashboard         Create FiveThirtyEight-styled GT Dashboard from
                        Top Charts Data
st_is_valid_filter_id   Validate Custom Field Filter ID Format
st_metrics              Fetch Sensor Tower Metrics for Apps
st_parse_web_url        Parse Sensor Tower Web URL to API Parameters
st_publisher_apps       Get All Apps from a Publisher
st_publisher_portfolio
                        Publisher Portfolio Analysis
st_retention            Fetch Retention Data for Apps
st_sales_report         Fetch Sales Report Estimates
st_session_metrics      Fetch Session Metrics Time Series Data
st_smart_metrics        Smart Metrics Fetching with Automatic ID
                        Resolution
st_test_filter          Test a Custom Filter ID
st_top_charts           Fetch Top Apps by Various Metrics
st_top_publishers       Get Top Publishers by Revenue or Downloads
st_unified_sales_report
                        Fetch Unified Sales Report Estimates (All
                        Regional SKUs Aggregated)
st_yoy_metrics          Year-over-Year Metrics Comparison
try_column_operation    Handle column mapping errors gracefully
validate_columns        Validate required columns exist
validate_top_charts_data
                        Data validation functions for Sensor Tower API
                        responses
