Comparative Analysis of Cubic Spline and PCHIP Using Chebyshev Norm for Household PLN Electricity Access Projection in Indonesia

https://doi.org/10.65770/KQGH6710 ABSTRACT This study aims to compare Cubic Spline and PCHIP using the Chebyshev norm to construct a projection of household PLN electricity access in Indonesia for 2026. The data used in this study consist of the percentage of households using PLN electricity by province during the 2010-2025 period, obtained from Statistics Indonesia, with 33 […] The post…