Articles
<![CDATA[Penaksiran Kadar Porositas Dengan Ukuran Grid Yang Kecil ]]>
<![CDATA[Amran Amran]]>
<![CDATA[ Jurnal Matematika, Statistika dan Komputasi Vol. 12 No. 2: January 2016 ]]>
Publisher : <![CDATA[Department of Mathematics, Hasanuddin University ]]>
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DOI: 10.20956/jmsk.v12i2.3468
<![CDATA[Metode dekomposisi Lower-Upper (LU) banyak digunakan dalam karakterisasi reservoir secara geostatistik disebabkan karena mudah digunakan, melakukan simulasi bersyarat secara serempak, tidak terbatas pada bentuk fungsi kovariansi sehingga dapat juga dilakukan pada kasus anisotropik. Untuk matriks kovariansi data dan grid berukuran lebih dari 1000x1000, metode ini tidak memungkinkan untuk digunakan lagi. Dalam tulisan ini akan dibahas suatu pengembangan metode dekomposisi LU untuk dimensi matriks kovariansi lebih dari 1000, melalui teori dekomposisi ring matriks kovariansi grid. Dengan menganggap bahwa matriks kovariansi grid sebagai suatu matriks gelanggang atas lapangan riil (Â), matriks ini dapat dinyatakan sebagai jumlah langsung dari sub modul. Selanjutnya dengan dekomposisi LU pada sub modul ini diperoleh matriks segitiga bawah L yang digunakan untuk membangun realisasi dekomposisi ring. Dengan menggunakan data eksperimental dan ukuran grid yang sama, metode dekomposisi LU dan metode dekomposisi ring membangun realisasi yang serupa dan variogram yang direproduksi kedua metode ini dapat mempertahankan bentuk variogram data eksperimental. Dekomposisi ring secara signifikan memberi peningkatan ukuran data eksperimental dan grid yang akan disimulasikan.]]>
<![CDATA[Perbandingan Penduga M, S, dan MM pada Regresi Linier dalam Menangani Keberadaan Outlier ]]>
<![CDATA[Hanifah Lainun]]>;
<![CDATA[Georgina M Tinungki]]>;
<![CDATA[Amran Amran]]>
<![CDATA[ Jurnal Matematika, Statistika dan Komputasi Vol. 15 No. 1 (2018): July 2018 ]]>
Publisher : <![CDATA[Department of Mathematics, Hasanuddin University ]]>
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DOI: 10.20956/jmsk.v15i1.4427
<![CDATA[Metode Kuadrat Terkecil (MKT) merupakan metode penduga parameter yang paling banyak digunakan pada analisis regresi. MKT merupakan metode penduga parameter tak bias yang baik selama asumsi komponen galatnya terpenuhi. Namun dalam aplikasinya sering ditemui terjadinya pelanggaran asumsi. Diantaranya, pelanggaran asumsi galat berdistribusi normal disebabkan adanya outlier pada data amatan. Oleh karena itu, dibutuhkan suatu metode yang kekar terhadap keberadaan outlier. Metode pendugaan parameter yang kekar terhadap keberadaan outlier pada regresi linier diantaranya ialah penduga M, penduga S, dan penduga MM yang masing-masing memiliki keunggulan dari segi efisiensi dan breakdown point yang tinggi. Tujuan dari penelitian ini adalah untuk membandingkan penduga M, S, dan MM dalam menduga parameter regresi pada analisis regresi linier sederhana terhadap keberadaan outlier menggunakan data simulasi. Simulasi dilakukan untuk ukuran sampel yang berbeda (20, 60, dan 120) ketika terdapat 20% dan 45% outlier pada variabel bebas dan variabel terikat. Metode terbaik ialah metode dengan Standard Error (SE) dan Mean Square Error (MSE) terkecil. Hasil yang diperoleh menunjukkan bahwa penduga MM lebih baik dibandingkan penduga M dan penduga S.]]>
<![CDATA[SISTEM MONITORING TEKANAN DARAH DAN SUHU TUBUH BERBASIS IoT (INTERNET of THING) MENGGUNAKAN ANDROID ]]>
<![CDATA[Amran Amran]]>;
<![CDATA[Mery Subito]]>;
<![CDATA[Alamsyah Alamsyah]]>
<![CDATA[ Foristek Vol. 10 No. 2 (2020): Foristek ]]>
Publisher : <![CDATA[Foristek ]]>
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DOI: 10.54757/fs.v10i2.21
<![CDATA[At this time the development of science leads to the development of technology whose aim is to facilitate all activities and human work. In the medical field even the technology used is increasingly developing more practical, effective and efficient. In the medical world a physical examination or clinical examination is a process carried out by a medical expert to examine a patient's body so that it can find clinical signs of the disease. The use of technology in the medical field today requires a technology that can automatically record the condition of one's blood pressure and body temperature. With the technology that can automatically show the value of clinical examination results are expected to make it easier in the examination. By using NodeMCU which converts the voltage to a digital value and displays it on Android and the MPX5050DP sensor to measure blood pressure and the DS18B20 sensor to measure body temperature, the value sent by the sensor will be processed and displayed on Android. The measurement results are in the form of quantities corresponding to the measured unit such as mmHg (Millimeter of Mercury (Hydrargyrum)) for blood pressure and ˚C for temperature. Results are displayed on the android display. Tests on the device resulted in an error rate from the MPX5050DP sensor of 1.13% for systolic blood pressure, 0.95% for diastolic blood pressure, and at a temperature sensor of 0.5%.]]>
<![CDATA[FAKTOR PENENTU KEBERHASILAN PENGELOLAAN SATUAN PENDIDIKAN ]]>
<![CDATA[Amran Amran]]>
<![CDATA[ Manajer Pendididikan Vol 9, No 2 (2015) ]]>
Publisher : <![CDATA[UNIVERSITAS BENGKULU ]]>
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DOI: 10.33369/mapen.v9i2.1113
<![CDATA[This study aims to evaluate the determinants of successful management of educational units in SMP 6 Seluma. The method in this research is evaluative. Data collection techniques used in this study are: interviews, documentation, observation and questionnaires. The result of this research showed the critical success factors in the management of the school leadership, teachers, students, school committee. Suggestions research; need the commitment of the school manager to constantly improve the competence and leadership role and teachers to constantly renew its ability to be able to adjust to the changes that occur both within the work environment or in the surrounding environment.Keywords: determinants, success, management, education]]>
<![CDATA[Analisis Efek Merger Bank Bumn Syariah Di Bursa Efek Indonesia ]]>
<![CDATA[Chairul Ihsan Burhanuddin]]>;
<![CDATA[Amran Amran]]>
<![CDATA[ AkMen JURNAL ILMIAH Vol 18 No 2 (2021): AkMen JURNAL ILMIAH ]]>
Publisher : <![CDATA[Lembaga Penelitian dan Publikasi Nobel Indonesia ]]>
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DOI: 10.37476/akmen.v18i2.1709
<![CDATA[In the midst of uncertain economic conditions in various countries around the world, it requires every country to innovate and improvise in maintaining all aspects to survive. Due to this problem, one form of innovation carried out by the Indonesian government, especially in stock trading, was the merger of a Sharia bank. The merger process of three Islamic banks (BRI Syariah, BNI Syariah, and Mandiri Syariah) to become Bank Syariah Indonesia (BSI) with the BRIS code on the Indonesia Stock Exchange has provided positive sentiment, literacy and understanding to the public in investing in the stock exchange. This research is a qualitative descriptive study. The results of this study indicate that one of these merger processes provides positive sentiment in various aspects of stock trading on the stock exchange. Starting from stock trading activities and the portion of investor ownership which is dominated by local investors]]>
<![CDATA[PENGARUH PAJAK PENGHASILAN 25 TERHADAP DIVIDEN PAYOUT RATIO PADA PT.TELKOM RATIO (PERSERO) Tbk ]]>
<![CDATA[Andi Rustam]]>;
<![CDATA[Amran Amran]]>
<![CDATA[ Jurnal Riset Perpajakan: Amnesty Vol 2, No 1 (2019): Mei 2019 ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Makassar ]]>
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DOI: 10.26618/jrp.v2i1.2533
<![CDATA[Problem in this research is how income tax effect of article 25 against the dividend of payout ratio at PT. Telkom (Persero) Tbk. This method of research is a quantitative study with an ex-post facto approach, for which the free variable is income tax of article 25 measured by rupiah (Rp) and its variable is the dividend payout ratio Measured by stock ratio. The results of the regression equation then acquired Y =-90.429 + 4, 413X which means any addition of free variables (income tax article 25) as much as 1%. Based on the results of the test – T obtained a T-count value of = 2.155 while the T-table value in the Significant level of 95% (α = 0.05) and DK = N-2 (5-2) = 3, obtained 3.182 value. This indicates that T – count smaller than the T-table 1.897 ˃ 3.182. In addition to the probability of income tax (X) of 0.120 ˂ α = 0.05, the hypothesis of income tax of article 25 does not affect dividends PT. Telkom]]>
<![CDATA[PENGARUH PPH 21 TERHADAP PENERIMAAN PADA KPP MAKASSAR SELATAN ]]>
<![CDATA[Dellah Fadhilatunnisa]]>;
<![CDATA[Amran Amran]]>;
<![CDATA[Arsi Cahyani]]>
<![CDATA[ Jurnal Riset Perpajakan: Amnesty Vol 2, No 2 (2019): November 2019 ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Makassar ]]>
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DOI: 10.26618/jrp.v2i2.2538
<![CDATA[This research was conducted to illustrate the extent of the influence of income tax acceptance of article 21 on tax revenues at Makassar's primary tax Service office. The method used in this research is a descriptive method with a quantitative approach. The research was conducted at Makassar South's primary tax office with methods of data collection in the form of document studies and field studies. Data analysis is expressed in the form of information that is developed with other data to obtain the clarity between variables so that the conclusion is withdrawn received or rejected hypothesis. The results showed that the results of the test that PPH article 21 have an effect on tax revenues at the primary tax office of the South Mkassar]]>
<![CDATA[ANALISIS AUDIT OPERASIONAL DALAM MENINGKATKAN EFEKTIFITAS BIAYA OPERASI PADA PT. PLN WILAYAH SULSELBAR ]]>
<![CDATA[Muhaimin Muhaimin]]>;
<![CDATA[Amran Amran]]>;
<![CDATA[Desi Kumala Sari]]>
<![CDATA[ Jurnal Riset Perpajakan: Amnesty Vol 2, No 1 (2019): Mei 2019 ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Makassar ]]>
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DOI: 10.26618/jrp.v2i1.2530
<![CDATA[Research aims to determine the role of operational audits can increase the effectiveness of operation cost control in Makassar city. The research method used is a qualitative descriptive analysis research method. The data collection techniques used are Library Research and field research that is by conducting interviews to operational audits. The results of research using qualitative descriptive analysis suggest that the operational audit has a role in increasing the effectiveness of operating cost control. Based on the results of research and discussion that has been done can be concluded as follows: (1) Implementation of operational audit in PT PLN (Persero) Sulselrabar region always maintains its identification where operational auditors are given The freedom to complete its responsibilities honestly and to carry out its ability to audit.]]>
<![CDATA[PERAMALAN DATA DERET WAKTU MENGGUNAKAN TRANSFORMASI WAVELET DISKRIT HAAR ]]>
<![CDATA[Hartina Husain]]>;
<![CDATA[Amran Amran]]>
<![CDATA[ Jurnal Matematika, Statistika dan Komputasi Vol. 19 No. 3 (2023): MAY, 2023 ]]>
Publisher : <![CDATA[Department of Mathematics, Hasanuddin University ]]>
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DOI: 10.20956/j.v19i3.24807
<![CDATA[Discrete Wavelet Transform is a data transformation method that represents data in the time domain and frequency domain. This transformation appears to overcome the weakness of the Fourier transform which is only able to provide one domain information and is limited to certain windowing . The type of wavelet used is the Haar Wavelet. Identification of data periodicity using Periodogram analysis with Fisher's Test statistics. The transformed data is decomposed into two components, namely the Approximation Coefficient and the Detail Coefficient. Both components are predicted using the Box-Jenkins ARIMA method. Model selection was carried out using the Akaike Information Criterion (AIC ) and Mean Square Error (MSE) methods . The forecast obtained is then reconstructed into the time domain (inverse). The application of the ARIMA model through wavelet transformation to Makassar City Air Humidity data for the period September 2006 - December 2012 shows that forecasting on the Approximation Coefficient obtained by the ARIMA model (0,0,3) with AIC = 112.2142 and MSE = 29.673. While forecasting on Detailed Coefficients is obtained by the ARIMA model (2,1,0) with AIC = 89.2 and MSE = 15,989.]]>
<![CDATA[Analysis of the Use of Financial Reports as a Basis for Management Decision Making (Case Study of PT PLN (Persero) UP3 South Makassar ]]>
<![CDATA[Reksy Aurelia Ardana]]>;
<![CDATA[Andi Jam’an]]>;
<![CDATA[Amran Amran]]>
<![CDATA[ International Journal of Economic Research and Financial Accounting Vol 4 No 1 (2025): IJERFA OCTOBER 2025 ]]>
Publisher : <![CDATA[CV. AFDIFAL MAJU BERKAH ]]>
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DOI: 10.55227/ijerfa.v4i1.397
<![CDATA[This study aims to analyze the use of financial statements as a basis for management decision making at PT PLN (Persero) UP3 Makassar Selatan. Financial statements are an important tools in assessing company performance and supporting strategic and operational decisions. The research method used is a case study with a descriptive qualitative approach. The data analyzed are in the form of financial statements for the period 2019–2022 using financial ratios that include liquidity, solvency, activity, and profitability ratios. The results of the study indicate that although the company shows sufficient capabilities in terms of profitability and activity, there are significant fluctuations in the liquidity and solvency ratios, especially in the debt to equity ratio which shows a high dependence on debt. Financial ratio analysis provides a clear picture of the company's financial condition and is an important basis for management decision making, such as operational efficiency, accounts receivable management, and investment strategy. Therefore, optimal use of financial statements can increase the effectiveness of managerial decision making and support the sustainability and growth of the company.]]>
