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All Journal Basis : Jurnal Ilmiah Matematika Jurnal Sains Natural
Az-Zahra, Al Farrah
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Chemical Engineering, Chemistry & Bioengineering Mathematics Nursing Physics Public Health

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The Relationship Of The Construction Cost Index To Human Development Index In West Nusa Tenggara Az-Zahra, Al Farrah; Robbaniyyah, Nuzla Af'idatur
JSN : Jurnal Sains Natural Vol. 3 No. 1 (2025): Februari
Publisher : Puslitbang Sekawan Institute Nusa Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35746/jsn.v3i1.680

Abstract

The Construction Cost Index (CCI) is an index that describes how expensive it is to build a building, the higher the index, the greater the cost. Meanwhile, the Human Development Index (HDI) is an index used to measure the quality of life of the people in a region, the higher the value, the better the quality of life. It is important to know how the pattern and dynamics of the relationship between CCI and HDI. Therefore, this paper aims to determine the relationship between CCI and HDI in West Nusa Tenggara Province. The data taken is secondary data derived from Central Bureau of Statistics. First, define the hypothesis between CCI and HDI, where CCI and HDI are assumed to have a negative relationship, which means that the higher HDI, the lower CCI, and vice versa, the lower HDI, the higher CCI.The average CCI in West Nusa Tenggara falls into the high category, as does the HDI. After that, compare the CCI and HDI values in each region with the previous region, where Makassar City is used as the initial comparison for the CCI category, as it is the region closest to or equal to the national average index. As a result, most regions show the hypothesized negative relationship. out of 10 regions, only Sumbawa District, West Sumbawa District, and Bima District show a negative relationship.
Prediksi PDRB Sektor Pertanian di Provinsi NTB dengan Metode Least Square Ayudia, Nurul Ulya; Az-zahra, Al Farrah; Maemunah, Ghina; Robbaniyah, Nuzla Af’idatur; Rusadi, Tri Maryono
Basis : Jurnal Ilmiah Matematika Vol. 5 No. 1 (2026): BASIS: Jurnal Ilmiah Matematika
Publisher : Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/2g4mg112

Abstract

Sebagai salah satu sektor utama, pertanian memiliki kontribusi signifikan terhadap Produk Domestik Regional Bruto (PDRB) di Provinsi Nusa Tenggara Barat (NTB). PDRB dapat dijadikan sebagai tolak ukur untuk mengetahui bagaimana kualitas hidup masyarakat di suatu daerah tertentu. Penelitian ini bertujuan untuk meramalkan PDRB sektor pertanian di NTB menggunakan metode Least Square, yang mampu dalam memprediksi tren data historis. Data sekunder dari Badan Pusat Statistik (BPS) NTB untuk periode 2010-2024 digunakan dalam penelitian ini. Hasil perhitungan menunjukkan adanya peningkatan nilai PDRB sektor pertanian dari tahun ke tahun, dengan proyeksi mencapai angka yang lebih tinggi pada tahun 2025. Analisis menggunakan Mean Absolute Percentage Error (MAPE) menghasilkan nilai error sebesar , menunjukkan tingkat akurasi yang sangat baik dalam model peramalan ini. Garis tren juga mendekati semua titik pada grafik, menunjukkan bahwa model memberikan hasil yang baik. Hasil penelitian ini diharapkan dapat menjadi dasar bagi pemangku kebijakan dalam perencanaan pembangunan sektor pertanian, kehutanan dan perikanan yang berkelanjutan di NTB.
Co-Authors Ayudia, Nurul Ulya Maemunah, Ghina Robbaniyah, Nuzla Af’idatur Robbaniyyah, Nuzla Af'idatur Tri Maryono Rusadi