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All Journal BIMASTER Neraca Manajemen, Akuntansi, dan Ekonomi GEMASSIKA: Jurnal Pengabdian kepada Masyarakat IJOBI
Puji Sri Lestari
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Environmental Science Health Professions Immunology & microbiology Mathematics Medicine & Pharmacology Neuroscience Nursing Public Health

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PENERAPAN METODE REGRESI RIDGE PADA KASUS ANGKA KEMATIAN BAYI DI PROVINSI JAWA TIMUR Puji Sri Lestari; Shantika Martha; Naomi Nessyana Debataraja
Bimaster : Buletin Ilmiah Matematika, Statistika dan Terapannya Vol 11, No 4 (2022): Bimaster : Buletin Ilmiah Matematika, Statistika dan Terapannya
Publisher : FMIPA Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/bbimst.v11i4.57012

Abstract

Suatu model dalam statistik yang dapat digunakan untuk menganalisis keterkaitan antara dua atau lebih variabel independen terhadap variabel dependen adalah model regresi linear berganda. Tidak terjadi multikolinearitas pada model regresi merupakan salah satu asumsi yang harus dipenuhi dalam regresi linear berganda. Salah satu metode yang dapat digunakan untuk mengatasi multikolinearitas adalah metode regresi ridge. Metode regresi ridge merupakan pengembangan dari metode kuadrat terkecil dengan menambahkan konstanta bias c  pada diagonal matriks XTX. Tujuan dari penelitian ini adalah menerapkan metode regresi ridge dalam mengatasi multikolinearitas pada studi kasus angka kematian bayi di provinsi Jawa Timur tahun 2020. Data yang digunakan dalam penelitian ini adalah angka kematian bayi (Y), jumlah bayi dengan berat badan lahir rendah (X1), jumlah bayi terkena penyakit asfiksia (X2), cakupan pelayanan kesehatan bayi (X3) dan cakupan pemberian Vitamin A (X4). Hasil dari penelitian ini diperoleh nilai VIF menggunakan metode kuadrat terkecil untuk X1=2,652, X2=2,737, X3=46,893 dan X4=50,919 yang menunjukkan terjadi multikolinearitas pada model regresi linear berganda. Untuk mengatasi multikolinearitas pada model regresi diterapkan metode regresi ridge dan diperoleh nilai VIF untuk X1=0,933, X2=0,942, X3=0,424 dan X4=0,388. Variabel jumlah bayi berat badan lahir rendah (X1), cakupan pelayanan kesehatan bayi (X3) dan cakupan pemberian Vitamin A (X4) berpengaruh secara signifikan terhadap angka kematian bayi dengan nilai koefisien determinasi pada model diperoleh sebesar 70,15%.Kata kunci : regresi linear berganda, multikolinearitas, regresi ridge
ANALISIS PERHITUNGAN HARGA POKOK PESANAN DENGAN PENDEKATAN FULL COSTING UNTUK MENENTUKAN HARGA JUAL PADA UD SYAFA ALUMINIUM Puji Sri Lestari
Musytari : Jurnal Manajemen, Akuntansi, dan Ekonomi Vol. 11 No. 6 (2024): Musytari : Neraca Manajemen, Akuntansi, dan Ekonomi
Publisher : Cahaya Ilmu Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.8734/musytari.v11i6.8116

Abstract

This research was motivated by a problem at UD Syafa Aluminum, namely that the calculation of the cost of orders made by the company was not in accordance with theory. The company has not grouped production costs clearly and in detail so that billable costs are not included in the calculation of the cost of production, besides that the company does not allocate joint costs to the joint products produced. This results in inaccuracies in calculating the cost of production, where the cost of production does not reflect the cost of production and production costs that actually occur. The aim of this research is to determine and analyze the calculation of the cost of orders using the approach full costing in order to get the right selling price at UD Syafa Aluminum. This research is quantitative research with a comparative descriptive approach. The data sources used are primary data and secondary data. Data collection techniques using interviews and documentation. The research results provide an illustration that there are differences and discrepancies in the results of calculating the cost of orders between UD Syafa Aluminum and the approach method full costing in reporting the calculation of the cost of orders. The method believed by UD Syafa Aluminum in calculating the cost of orders is not in accordance with the approach method full costing because it doesn't take into account costs overhead which is fixed in nature and depreciation in calculating production costs, so that determining the selling price of the UD Syafa Aluminum company's products is said to not be effective in determining the selling price of its products. Penelitian ini dilatar belakangi adanya permasalahan di UD Syafa Aluminium yaitu tentang perhitungan harga pokok pesanan yang dilakukan perusahaan tidak sesuai dengan teori. Perusahaan belum mengelompokkan biaya produksi secara jelas dan rinci sehingga biaya yang dapat ditagih tidak dimasukkan dalam perhitungan harga pokok produksi, disamping itu perusahaan tidak melakukan alokasi biaya bersama pada produk bersama yang dihasilkan. Hal ini mengakibatkan ketidaktepatan dalam perhitungan harga pokok produksi, dimana harga pokok produksi tersebut tidak menggambarkan harga pokok produksi dan biaya produksi yang sesungguhnya terjadi. Tujuan dari Penelitian ini adalah untuk mengetahui dan menganalisis perhitungan harga pokok pesanan dengan pendekatan full costing agar mendapatkan harga jual yang tepat pada UD Syafa Aluminium. Penelitian ini merupakan penelitian kuantitatif dengan pendekatan deskriptif komparatif. Sumber data yang digunakan adalah data primer dan data sekunder. Teknik pengumpulan data dengan cara wawancara dan dokumentasi. Hasil Penelitian memberikan gambaran bahwa terdapat perbedaan dan ketidak sesuaian hasil perhitungan harga pokok pesanan antara UD Syafa Aluminium dengan metode pendekatan full costing pada pelaporan perhitungan harga pokok Pesanan Metode yang diyakini oleh UD Syafa Aluminium dalam perhitungan harga pokok pesanan tidak sesuai dengan metode pendekatan full costing karena belum memperhitungkan biaya overhead yang bersifat tetap dan penyusutannya dalam perhitungan biaya produksi, sehingga penentuan harga jual produk perusahaan UD Syafa Aluminium dikatakan belum efektif dalam penentuan harga jual produknya.
PENINGKATAN PENGELOLAAN POSYANDU, PENGETAHUAN DAN KETRAMPILAN KADER DALAM PENANGANAN DIABETES MELLITUS Noviyanti, Retno Dewi; Wijayanti; Dodik Luthfianto; Agung Setya Wardana; Safira Faza Azhari; Puji Sri Lestari
GEMASSIKA: Jurnal Pengabdian Kepada Masyarakat Vol. 9 No. 1 (2025): MEI
Publisher : P3M Universitas Aisyiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30787/gemassika.v9i1.1306

Abstract

The number of elderly people nationally and internationally tends to increase every year, one of the non-communicable diseases that elderly people often experience is diabetes mellitus (DM). Even though DM is a chronic disease that does not cause death directly, it can have fatal consequences if it is not managed properly. Management of DM requires multidisciplinary treatment which includes non-drug therapy and drug therapy. One of the non-drug therapies is rice bran varieties Situbagendit and IR64. Partner problems include the implementation of posyandu not being optimal, inadequate infrastructure, limited health examination tools, limited number of cadres, lack of knowledge of cadres and the discovery of elderly people suffering from DM. The aim of the activity is to overcome partner problems by increasing the knowledge and skills of posyandu cadres regarding management of posyandu for the elderly, nutrition and DM diet for the elderly, training in making processed rice bran varieties IR64. The methods used in this service are one group pretest posttest design, lectures and discussions, group discussions, demonstrations, providing supporting tools. Location of Salak Songgorunggi Posyandu Dagen Jaten Karanganyar. Time is September 2023. Data analysis technique uses Wilcoxon. The average knowledge results before education were 74.5 ± 1.09 and after education 89.0 ± 6.41, with an average increase in value of 14.5. The results of the difference test obtained a value of p = 0.000. The conclusion is that there is a difference in the value of knowledge before and after providing education.
The Dynamics of Natural Resource and Environmental Management in Indonesia: Evaluation of Current Policies, Implementation of the Nagoya Protocol, and Sustainability Challenges puji sri lestari
Indonesian Journal of Bioscience (IJOBI) Vol. 3 No. 1 (2025): Indonesian Journal of Bioscience (IJOBI)
Publisher : Department of Biology Education FMIPA Universitas Negeri Yogyakarta in collaboration with Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijobi.v3i1.1501

Abstract

Biodiversity is a fundamental component for maintaining ecological balance and sustaining life on Earth. However, anthropogenic pressures such as deforestation, pollution, climate change, and overexploitation have accelerated biodiversity loss globally, including in Indonesia. This paper critically examines the dynamics of biodiversity management in Indonesia through the evaluation of current environmental policies, the implementation of the Nagoya Protocol, and the transition toward sustainable resource governance. The study incorporates theoretical insights from ecological and evolutionary biodiversity frameworks, analyzing threats and responses using recent national policies such as PES schemes, carbon taxation, and emission trading systems. Findings indicate that while Indonesia has made significant progress in integrating biodiversity protection into national development—through legal, fiscal, and conservation mechanisms—implementation challenges remain, particularly in enforcing benefit-sharing regulations under the Nagoya Protocol. Addressing these challenges requires enhanced institutional coordination, community-based participation, and international cooperation. This study contributes to the discourse on biodiversity governance and sustainable development policy in megadiverse countries.
Co-Authors DODIK LUTHFIANTO Naomi Nessyana Debataraja Retno Dewi Noviyanti Safira Faza Azhari Shantika Martha Wardana, Agung Setya Wijayanti