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All Journal Sinergi dan Harmoni Masyarakat MIPA IJASDS: Indonesian Journal of Applied Statistics and Data Science
Lisa Harsyiah
Program Studi Statistika, Universitas Mataram, Indonesia
Humanities Economics, Econometrics & Finance Education Environmental Science Mathematics Public Health Social Sciences

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Regresi Komponen Utama dalam Mengatasi Multikolinieritas pada Faktor-Faktor yang Mempengaruhi Inflasi di Indonesia Salsabila Hadi Putri Ningrum; Khairatun Hisan; Triana Putri Ramdhani; Luzianawati Luzianawati; M. Daffa Rizki Zindawi; Lisa Harsyiah
Indonesian Journal of Applied Statistics and Data Science Vol. 2 No. 1 (2025): Mei
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ijasds.v2i1.5827

Abstract

Inflation is a significant concern for a developing country like Indonesia. To effectively anticipate inflationary trends, it is essential to conduct statistical analysis to determine what factors can influence inflation. This study utilized Principal Component Regression (PCR) to address multicollinearity in the regression model linking inflation to various factors. The results revealed that transportation, food, electricity and household fuel factors positively correlate with inflation, while health, education and clothing show negative correlations. However, the resulting regression model proved to be inadequate, as evidenced by a very low R-square value. This highlights the necessity for further refinement of the model to provide better information in the context of inflation management in Indonesia.
Analisis Tren Sosial di Indonesia dengan Peta Kendali CUSUM (Studi Kasus: Perceraian, Kemiskinan, Pernikahan Dini, dan Tingkat Pendidikan) Navisah Navisah; Mawaddatul Fariha; Ketrin Jupina Ranti; Lita Astuti; Suwindah Puji Yarti; Lisa Harsyiah; Jihadil Qudsi
Indonesian Journal of Applied Statistics and Data Science Vol. 2 No. 1 (2025): Mei
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ijasds.v2i1.6909

Abstract

Social changes in Indonesia, in the last ten years, have attracted the attention of researchers, especially related to the problems of divorce, early marriage, education levels, and poverty. For example, early marriage is still a major problem in some places. BPS, in 2022, reported that the rate of early marriage in Indonesia was very high, from 16.23% in 2022 to 17.32% in 2023. Several studies have shown a correlation between poverty levels, education levels, and early marriage rates. One effective statistical approach to monitoring changes in trends in time data is the Cumulative Sum Control Chart (CUSUM). The CUSUM control chart method, social data trends can be analyzed longitudinally, detecting significant changes, and mapping the time and magnitude of the shifts that occur. A total of 36 data from 4 variables in the 2022-2024 range were processed using the R application to obtain the CUSUM control chart. The results obtained showed that the variables of education level and early marriage showed more data that was within the limits of the CUSUM constraint map, while the variables of divorce rate and poverty rate had a lot of data that was out of control, which occurred a lot in the months of 2023.
Pendampingan Kader Posyandu Desa Lembar Selatan dalam Peningkatan Kualitas Data Kesehatan sebagai Upaya Pencanangan Desa Cantik (Cinta Statistik) Helmina Andriani; Lisa Harsyiah; Jihadil Qudsi; Mustika Hadijati; Lilik Hidayati; Dina Eka Putri; Zulhan Widya Baskara; Nur Amita Purnamasari; Putri Septi Jaya; Nanda Aulia Sudiasmini
Sinergi dan Harmoni Masyarakat MIPA Vol. 2 No. 2 (2026): April
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/sinonim.v2i2.8246

Abstract

Pengelolaan data kesehatan di Desa Lembar Selatan Kabupaten Lombok Barat masih belum optimal akibat keterbatasan kapasitas kader Posyandu dalam pencatatan dan analisis data. Hal ini berdampak pada rendahnya keakuratan data yang digunakan untuk pengambilan keputusan. Kegiatan pengabdian ini bertujuan untuk meningkatkan kompetensi kader Posyandu dalam pencatatan, pengolahan, dan analisis data kesehatan, sehingga mampu menyediakan data yang akurat, terstruktur, dan relevan untuk mendukung pembangunan kesehatan desa. Metode yang digunakan meliputi pelatihan teknis, pendampingan langsung, dan evaluasi berkelanjutan. Pelatihan teknis diberikan untuk memperkenalkan konsep dasar statistika serta mempraktikkan proses pencatatan dan pengelolaan data. Pendampingan langsung dilakukan dengan memberikan panduan praktis dan simulasi pengelolaan data menggunakan software sederhana. Evaluasi dilakukan kepada kader Posyandu dalam bentuk pretest dan posttest. Hasil yang diperoleh menunjukkan bahwa pelatihan yang diberikan berpengaruh positif dalam meningkatkan pengetahuan dan keterampilan kader Posyandu.
Co-Authors Dina Eka Putri Helmina Andriani Jihadil Qudsi Ketrin Jupina Ranti Khairatun Hisan Lilik Hidayati Lita Astuti Luzianawati Luzianawati M. Daffa Rizki Zindawi Mawaddatul Fariha Mustika Hadijati Nanda Aulia Sudiasmini Navisah Navisah Nur Amita Purnamasari Putri Septi Jaya Salsabila Hadi Putri Ningrum Suwindah Puji Yarti Triana Putri Ramdhani Zulhan Widya Baskara