Results of seasonality analysis (spectral decomposition + Kruskal-Wallis) for 129 HMIS indicators that exhibit strong seasonal patterns.
Format
A data frame with 129 rows and 16 columns:
- canonical_name
Harmonized indicator name
- category
Indicator sub-category (e.g., "Total")
- n_months
Number of months analyzed
- seasonal_strength
Seasonal strength score (0-1)
- dominant_period
Dominant seasonal period in months
- power_ratio
Spectral power ratio
- kw_pvalue
Kruskal-Wallis test p-value
- harmonic_r2
Harmonic regression R-squared
- r2_12mo
R-squared for 12-month harmonic
- r2_6mo
R-squared for 6-month harmonic
- amplitude_pct
Amplitude as percent of mean
- peak_month
Month with highest values
- trough_month
Month with lowest values
- raw_peak_period
Raw peak period from spectral analysis
- seasonality
Seasonality category ("strong")
- reason
Plain-language explanation of the seasonal pattern