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Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi最新文献

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Q- rung orthopair probabilistic hesitant fuzzy hybrid aggregating operators in multi-criteria decision making problems 多标准决策问题中的 Q- rung 正对概率犹豫模糊混合聚合算子
Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi Pub Date : 2023-10-31 DOI: 10.19113/sdufenbed.1196523
Şerif Özlü
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引用次数: 0
The Greatest Common Divisors and The Least Common Multiples in Neutrosophic Integers 中性整数中的最大公除数和最小公倍数
Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi Pub Date : 2023-10-02 DOI: 10.19113/sdufenbed.1251290
Y. Ceven, Özlem Çetin
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引用次数: 0
Comparison of Classical and Robust Factor Analyses Methods 经典因子分析方法与稳健因子分析方法的比较
Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi Pub Date : 2023-09-14 DOI: 10.19113/sdufenbed.1250855
Barış Ergül, Zeki Yildiz
{"title":"Comparison of Classical and Robust Factor Analyses Methods","authors":"Barış Ergül, Zeki Yildiz","doi":"10.19113/sdufenbed.1250855","DOIUrl":"https://doi.org/10.19113/sdufenbed.1250855","url":null,"abstract":"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.","PeriodicalId":22048,"journal":{"name":"Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi","volume":"3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139340270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ethnobotanical Features of Eldeş (Ilgın/Konya) and Its Surroundings 埃尔德斯（伊尔金/科尼亚）及其周边地区的人种植物学特征
Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi Pub Date : 2023-08-24 DOI: 10.19113/sdufenbed.1211763
H. Demirelma, Deniz ERSOY DEPRELİ
{"title":"Ethnobotanical Features of Eldeş (Ilgın/Konya) and Its Surroundings","authors":"H. Demirelma, Deniz ERSOY DEPRELİ","doi":"10.19113/sdufenbed.1211763","DOIUrl":"https://doi.org/10.19113/sdufenbed.1211763","url":null,"abstract":"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.","PeriodicalId":22048,"journal":{"name":"Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi","volume":"70 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139349278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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