Pub Date : 2023-10-31DOI: 10.19113/sdufenbed.1196523
Şerif Özlü
With the increase of complex information in applications of decision making problems, the use of probabilistic hesitant fuzzy set structure has expanded. Therefore, this paper aims to present two new operators namely q-rung orthopair probabilistic hesitant fuzzy hybrid weighted arithmetic and geometric (q-ROPHHWAG) operator and q-rung orthopair probabilistic hesitant fuzzy hybrid ordered weighted arithmetic and geometric (q-ROPHHOWAG) operator for q>0. The presented operators are better than existing operators in many respects as adding a new parameter, having more flexible structure and presenting comparative analysis in its own. Moreover, we mention from some properties of the proposed operators. In addition to, we give an algorithm and example to indicate effective, reality and flexible of presented method and operators. Then, we solve an example over Pythagorean probabilistic hesitant fuzzy sets with our operators and the results are agreement and the offered operators have superior effect than other operators.
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Pub Date : 2023-10-02DOI: 10.19113/sdufenbed.1251290
Y. Ceven, Özlem Çetin
As a continuation of previous studies, we give some results about the neutrosophic integers theory. We first stated that the neutrosophic real numbers are not closed according to the division operation. Later, we gave divisibility properties of neutrosophic integers. We have given properties such as the greatest common divisor for two neutrosophic integers being positive and unique. Then, we gave the Euclid’s Theorem, Bezout’s Theorem for neutrosophic ingers set Z[I]. It is known that these concepts are important for number theory in integers set Z. Finally, it is defined the least common multiple for neutrosophic integers. Finally, a theorem is given which enables one to easily find the least common multiple of neutrosophic integers and after a conclusion about the sign of the product of two neutrosophic integers, a theorem is given that shows the relationship of between the greatest common divisor with the least common multiple
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Pub Date : 2023-09-14DOI: 10.19113/sdufenbed.1250855
Barış Ergül, Zeki Yildiz
Factor analysis is a multivariate statistical analysis technique that has become very popular in recent years. In the factor analysis model, the error covariance matrix is assumed to be the multivariate normal distribution, and outliers are likely to be accounted for. Various estimation methods were compared with Monte Carlo simulation for the factor analysis model. The performances of the estimation methods were evaluated based on the ratio of the total variance explained and the criterion fit values. Considering the MLE, PCA, WLS, and GLS methods for classical factor analysis and the MCD, M, and S methods for robust factor analysis, the ratio of total variance explained, and fit values decreased as the sample size increased. When the number of variables increases, the ratio of total variance explained, and fit values increase at different sample sizes. It can be said that the WLS and GLS methods are better than others for classical factor analysis and the MCD and M methods are better than others for robust factor analysis.
因子分析是近年来非常流行的一种多元统计分析技术。在因子分析模型中，误差协方差矩阵被假定为多元正态分布，离群值有可能被考虑在内。针对因子分析模型，采用蒙特卡罗模拟对各种估计方法进行了比较。根据解释的总方差与标准拟合值的比率来评估估计方法的性能。考虑到经典因子分析的 MLE、PCA、WLS 和 GLS 方法以及稳健因子分析的 MCD、M 和 S 方法，总解释方差比和拟合值随着样本量的增加而降低。当变量数增加时，在不同的样本量下，解释的总方差比和拟合值都会增加。可以说，在经典因子分析中，WLS 和 GLS 方法优于其他方法；在稳健因子分析中，MCD 和 M 方法优于其他方法。
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Pub Date : 2023-08-24DOI: 10.19113/sdufenbed.1211763
H. Demirelma, Deniz ERSOY DEPRELİ
Bu çalışma 2019-2020 yılları arasında Konya İli Ilgın İlçesine bağlı Eldeş ve çevresinde yetişen bitki türlerinin etnobotanik özelliklerini tespit etmek amacıyla yapılmıştır. Eldeş, Grid kareleme sistemine göre B3 karesinde yer almaktadır. Çalışma alanından toplanan bitkilerin yerel isimlerinin, kullanım alanlarının belirlenmesi için yörede yaşayan 143 kişiyle (67’si erkek, 76’sı kadın) görüşülmüştür. Araştırma alanındaki bitkilerden toplamda 42 familyaya ait 129 taksondan 76 takson gıda, 91 takson tıbbi, 27 takson hayvan yemi, 20 takson eşya, 16 takson süs bitkisi, 20 takson yakacak, 3 takson boya bitkisi, 9 takson çay, 3 takson baharat ve 6 takson yağ olarak kullanıldığı tespit edilmiştir. Ayrıca çalışma alanından 9 endemik takson tespit edilmiştir.
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