The Influence of Product Quality and Electronic Word of Mouth on Customer Loyalty in Skincare Products at Sociolla Cirebon by Ristalia Indy, Pebi Yanti Nobu Aq, Yusuf Yusuf, Rahmadi Rahmadi

“…A series of statistical analyses were performed, including validity and reliability assessments, multicollinearity and heteroscedasticity tests, multiple linear regression analysis, partial significance testing (T-test), simultaneous significance testing (F-test), and the coefficient of determination (R²) test. The findings reveal that both product quality and e-WOM exert a significant and positive effect on customer loyalty, with an R² value of 0.943, indicating that these variables account for 94.3% of customer loyalty, while the remaining 5.7% is influenced by other factors. …”
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Forecast of hydrocarbon losses in deposits during the development of gas condensate fields by R. K. Dobrolyubova, E. I. Inyakina, I. I. Krasnov, V. V. Inyakin, A. F. Semenenko

“…The data of the conducted studies allow us to formulate predictive recommendations on changes in the properties of fluids and the condensate recovery coefficient.…”
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Prediction of Corroded Pipeline Failure Pressure Based on Empirical Knowledge and Machine Learning by Hongbo Liu, Xiangzhao Meng

“…The proposed approach achieves a mean absolute percentage error (MAPE) of 2.52%, a root mean square error (RMSE) of 0.39 MPa, and a coefficient of determination (R²) of 0.9886 on the validation set. …”
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Relationship between occurrence of lahar and hydraulic properties of ashfall covered ground in the Arimura River basin of Sakurajima Volcano, Japan by Hayato Sugawara, Yutaka Gonda

“…The results indicated a trend in which the optimal parameters decrease under conditions of increasing monthly ashfall, and the coefficient of determination was approximately 0.18. …”
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Predicting the Cetane Number of Biodiesel using two AI-Models: the Gradient-based ANN and ANN Optimized by Genetic Algorithm by Hadis Tanha, Fatemeh Bashipour

“…The developed models were compared using statistical criteria such as the coefficient of determination (R2), mean square error (MSE), average absolute relative deviation (AARD), standard deviation (STD) and mean absolute percentage error (MAPE). …”
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Ammonia and ethanol detection via an electronic nose utilizing a bionic chamber and a sparrow search algorithm-optimized backpropagation neural network. by Yeping Shi, Yunbo Shi, Haodong Niu, Jinzhou Liu, Pengjiao Sun

“…It also outperforms the other models at regression prediction, with smaller absolute, mean absolute, and root mean square errors. Its coefficient of determination (R2) is greater than 0.99, surpassing those of the SVM and RF models. …”
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Influence of Loosely Bound Water on Compressibility of Compacted Fine-Grained Soils by Rui Zhang, Mengli Wu, Prince Kumar, Qian-Feng Gao

“…The volumetric flask method was used to measure the LBW contents of the five soils. …”
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Study of the Feasibility of Regeneration of Central Worn-Out Textures of Ilam City Based on Urban Smart Growth Approach by pakzad azadkhani, mohammad Salavarzizadeh, Fatemeh Farogh Doost

“…The statistical population of the study includes residents of central worn-out texture of Ilam city (population: 12676 people), 384 of whom are selected as the sample of the study using cluster sampling method. The data collection tool is a researcher-made questionnaire that has been confirmed by face validity and Cronbach’s Alpha coefficient, turning out to be 0.701. …”
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The role of interfacial tension in the size-dependent phase separation of atmospheric aerosol particles by R. Schmedding, A. Zuend

“…However, in sufficiently small particles, the interfacial tension between two liquid phases constitutes an energetic barrier that may prevent the formation of an additional liquid phase. Determining said small-size limit is a key question.…”
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Analysis of physical properties in white and whole wheat sliced bread using digital image processing by Neiry-Dayán Martínez-Lara, Claudia L. Garzón-Castro, Annamaria Filomena-Ambrosio

“…The Stacked Ensemble model obtained a coefficient of determination (R²) of 0.99 and smaller errors in the a* (1.29) and b* (1.57) coordinates. …”
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Seed vigor testing by low temperature germination in early rice by CAO Dongdong, WU Wei, CHEN Shanyu, QIN Yebo, RUAN Guanhai, LU Min, QIAN Peili, HUANG Yutao

“…Especially, the correlation coefficient between germination percentage at 18℃ after 4 days and FE reached 0.932, revealing a fast and accurate method for measuring the seed vigor at a low temperature. …”
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Validation of a didactic model evaluating the usability, usefulness and acceptability of psychological first aid teaching through simulation by Emeric Saguin, Julia Salomé, Benoît Favodon, Bertrand Lahutte, Frédérique Gignoux-Froment

“…The final model incorporating the 15 criteria showed an R2 coefficient of determination of 0.71 (i.e. 71%, F = 4.91, p < 0.001). …”
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REGRESSION MODELS OF INDIVIDUAL CEPHALOMETRIC PARAMETERS IN UKRAINIAN YOUNG MEN AND YOUNG WOMEN WITH DIFFERENT FACIAL PROFILES ACCORDING TO SCHWARZ A.M., WHICH CAN BE ADJUSTED DURI... by O.S. Prokopenko

“…In young men, 10 of 27 possible reliable regression models with a coefficient of determination greater than 0.6 (R2 = from 0,642 to 0,995) were constructed, and in young women – 13 models from 27 possible (R2 = from 0,619 to 0,956). …”
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A Study of the Effect of Religious Beliefs on Female Students’ Resilience in the 1st Grade of High School in District 1 of Shiraz by Tahereh Zakipour, Razieh Abdi

“…Besides, theological, emotional, consequential, and ritual aspects determine 36.5% of their resilience variation. The beta level of theological, emotional, consequential, and ritual aspects is significant and can positively predict the students’ resilience. …”
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ANALISIS PENGARUH KEDISIPLINAN KERJA GURU TERHADAP PRESTASI BELAJAR SISWA PADA SMA NEGERI 1 BUMIAYU KABUPATEN BREBES by Siti Bariroh

“…The data obtained was then added to the partial correlation formula per variable, then connected, whether there is a significant relationship between teacher's work discipline with student achievement in SMA Negeri 1 Bumiayu, Brebes Regency, while the author used determinant coefficient to analyze the relationship between teacher's work discipline and student achievement. …”
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Estimation of Strawberry Canopy Volume in Unmanned Aerial Vehicle RGB Imagery Using an Object Detection-Based Convolutional Neural Network by Min-Seok Gang, Thanyachanok Sutthanonkul, Won Suk Lee, Shiyu Liu, Hak-Jin Kim

“…The model achieved a slope, coefficient of determination (R²), and root mean squared error (RMSE) of 0.98, 0.98, and 74.3 cm³, respectively, corresponding to an 84% improvement over the conventional paraboloid shape approximation. …”
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Towards sustainable construction: estimating compressive strength of waste foundry sand-blended green concrete using a hybrid machine learning approach by Hoang Nhat-Duc, Nguyen Quoc-Lam

“…The proposed model is evaluated using root mean square error (RMSE), mean absolute percentage error (MAPE), and coefficient of determination (R 2). Notably, an asymmetric loss function is employed during the training phase of LightGBM to restrict overestimations. …”
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Comparative Study on the Accuracy of Terrestrial and Global Gravitational Models (GGMs) Gravity Anomalies for Akure Environs, Ondo State, Nigeria by Ibrahim Olatunji Raufu, Herbert Tata, Korede Samuel Buraimoh

“… Spherical harmonic expansion is a mathematical method used to describe Earth's gravity field, derived from potential coefficients observed both on Earth's surface and from space. …”
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Endogeneity of money supply in Iran based on post keynsian approach: State-space modeling by Zahra Bigdeli shamloo, Abbas Shakeri, Teymoor Mohammadi, Syrous Omidvar

“…Also, the trend of the coefficients indicates their changes over time. Based on the findings, the nature of banks is confirmed as a liquidity creation institution in addition to the central bank. …”
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Improved estimation of cucumber leaf photosynthetic acclimation to day-to-day changing photosynthetic photon flux density by Liyao Yu, Kazuhiro Fujiwara, Ryo Matsuda

“…A test using measurement data under random day-to-day PPFD showed that this method using Q’a achieved more accurate estimations (determination coefficient, R 2 = 0.77) of photosynthetic properties than those using Q a or Q w (R 2 = 0.68). …”
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