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All Journal Desimal: Jurnal Matematika Smart Society: Community Service and Empowerment Journal Lattice Journal : Journal of Mathematics Education and Applied
Rassiyanti, Linda
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Humanities Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Diabetes risk prediction using logistic regression model Rassiyanti, Linda; Farid, Fajri; Pitri, Rizka
Desimal: Jurnal Matematika Vol. 8 No. 1 (2025): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/djm.v8i1.26493

Abstract

This study aims to analyze the factors that contribute to diabetes using the logistic regression method. The data used in this study include variables of number of pregnancies, glucose levels, blood pressure, skin thickness, insulin levels, body mass index (BMI), family history of diabetes, and age. The logistic regression model was applied to determine the effect of each variable on the likelihood of a person having diabetes. Evaluation of model performance was carried out using the ROC (Receiver Operating Characteristic) curve, and the results obtained showed an AUC value of 0.8391, which indicated a very good classification ability of the model. The results of the analysis showed that the number of pregnancies, glucose levels, blood pressure, BMI, and family history of diabetes had a significant effect on the risk of diabetes.
Empowering the Future: AI-Based Website Development Training to Boost High School Students' Creativity and Digital Skills Muthoharoh, Luluk; Yuliana, Yuliana; Rassiyanti, Linda; Lailani, Ade; Sofia, Ayu; Yulita, Tiara; Sasongko, Dharu Cahyoaji; Maharani, Khairunnisa; Rahman, Aditya
Smart Society Vol 5, No 1 (2025): June (2025)
Publisher : FOUNDAE (Foundation of Advanced Education)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/smartsociety.v5i1.658

Abstract

In the rapidly evolving digital era, Artificial Intelligence (AI) has become one of the key technologies playing a significant role in various fields, including website development. AI-based website development training is a strategic step to enhance the skills and creativity of the younger generation in the era of digitalization. This activity was conducted at SMA Al Huda, South Lampung, with the aim of equipping students with an understanding of basic concepts, steps for creating websites, and how AI can be utilized to enhance creativity in the digital world. The methods used included interactive presentations, demonstrations, hands-on practice, and discussions. The activity also assessed students' knowledge before and after the training through an interactive quiz using Quizizz. The results of the study showed a significant improvement in students' understanding of AI-based website development. In conclusion, this training program was effective in enhancing students' skills and creativity in the digitalization world, particularly in creating AI-based websites
Hubungan Sebab-Akibat Kecerdasan Interpersonal Terhadap Hasil Belajar Peserta Didik: SEM-PLS Pitri, Rizka; Irawan, Miranda Dimas; Rassiyanti, Linda
Lattice Journal : Journal of Mathematics Education and Applied Vol. 4 No. 2 (2024): Desember 2024
Publisher : Universitas Islam Negeri Sjech M. Djamil Djambek Bukittinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30983/lattice.v4i2.9069

Abstract

Interpersonal intelligence is a person's ability to work together and understand between individuals with others. The utilization of interpersonal intelligence in mathematics learning will have an impact on improving the quality of learning outcomes. However, currently the social interaction that occurs in educational units is still low. Thus, resulting in low quality of learning outcomes. Based on this, an analysis is needed to measure the causal relationship between interpersonal intelligence and learning outcomes using Structural Equation Modeling (SEM)-PLS. This study used 75 samples of grade X students at SMAN Martapura. The purpose of this research is to see the cause-and-effect relationship between interpersonal intelligence and learning outcomes. The method used was SEM-PLS method. The instruments used in the study consisted of essay questions and interpersonal intelligence questionnaire. This study shows that there is a significant causal relationship between interpersonal intelligence and students' learning outcomes in mathematics.   Kecerdasan interpersonal merupakan suatu kemampuan seseorang dalam bekerja sama dan memahami antar individual dengan yang lainnya. Pemanfaatan kecerdasan interpersonal dalam pembelajaran matematika akan berdampak pada peningkatan kualitas hasil belajar. Namun, saat ini interaksi sosial yang terjadi di satuan pendidikan masih rendah. Sehingga, mengakibatkan rendahnya kualitas hasil belajar. Berdasarkan hal tersebut, diperlukan suatu analisis untuk mengukur hubungan sebab-akibat antara kecerdasan interpersonal terhadap hasil belajar menggunakan Structural Equation Modeling (SEM)-PLS. Penelitian ini menggunakan 75 sampel siswa kelas X di SMAN Martapura. Tujuan penelitian ini adalah melihat hubungan sebab-akibat antara kecerdasan interpersonal terhadap hasil belajar. Metode yang digunakan adalah metode SEM-PLS. Instrumen yang digunakan dalam penelitian terdiri dari soal essay dan angket kecerdasan interpersonal. Penelitian ini menunjukkan bahwa terdapat hubungan sebab-akibat yang signifikan antara kecerdasan interpersonal terhadap hasil belajar peserta didik di bidang matematika.
Analisis Komparasi Model Peramalan Prophet Dan Arima Dalam Memprediksi Harga Saham Penutupan PT ANTM Anwar, Rohimatul; Rassiyanti, Linda
Lattice Journal : Journal of Mathematics Education and Applied Vol. 5 No. 1 (2025): Juni 2025
Publisher : Universitas Islam Negeri Sjech M. Djamil Djambek Bukittinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30983/lattice.v5i1.9478

Abstract

PT Aneka Tambang Tbk (ANTM) is a major mining company in Indonesia whose shares are actively traded on the Indonesia Stock Exchange. Its stock price is influenced by both internal and external factors. Time series forecasting methods, such as ARIMA and Prophet, are used to predict future stock movements. ARIMA is known for its flexibility and high prediction accuracy, while Prophet is capable of handling missing values and shifting trends, making it suitable for complex financial data. This study aims to compare the performance of ARIMA and Prophet models in forecasting ANTM stock prices. The dataset consists of monthly closing stock prices from January 2016 to May 2025. The models are evaluated using Mean Absolute Percentage Error (MAPE), Akaike Information Criterion (AIC), and Bayesian Information Criterion (BIC). The results show that the ARIMA model performs better to predict PT ANTM’s traded than Prophet model, with lower MAPE, AIC, and BIC values of 7.88, 433.24, and 423.63, respectively.   PT Aneka Tambang Tbk (ANTM) adalah perusahaan pertambangan besar di Indonesia yang sahamnya aktif diperdagangkan di Bursa Efek Indonesia. Harga sahamnya dipengaruhi oleh faktor internal dan eksternal.  Memprediksi pergerakan harga saham di masa depan bagi PT ANTM dapat digunakan metode peramalan deret waktu seperti ARIMA dan Prophet. ARIMA dikenal fleksibel dan mampu memberikan hasil prediksi yang akurat. Sementara itu, Prophet unggul dalam menangani data yang memiliki nilai hilang dan tren yang berubah, menjadikannya cocok untuk data pasar keuangan yang dinamis. Penelitian ini bertujuan membandingkan performa model ARIMA dan Prophet dalam memprediksi harga saham ANTM. Data yang digunakan adalah harga penutupan saham bulanan selama periode Januari 2016 hingga Mei 2025. Perbandingan dilakukan berdasarkan nilai Mean Absolute Percentage Error (MAPE), Akaike Information Criterion (AIC), dan Bayesian Information Criterion (BIC). Hasil analisis menunjukkan bahwa model ARIMA memiliki performa lebih baik dengan nilai MAPE 7.88, AIC 433.24, dan BIC 423.63, yang lebih rendah dibandingkan dengan model Prophet.
Co-Authors Aditya Rahman Anwar, Rohimatul Farid, Fajri Irawan, Miranda Dimas Lailani, Ade Maharani, Khairunnisa Muthoharoh, Luluk Pitri, Rizka Sasongko, Dharu Cahyoaji Sofia, Ayu Yuliana Yuliana Yulita, Tiara