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Now showing items 1-18 of 18
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Aralık Tip Ii Genelleştirilmiş Çan Şekilli Bulanık Sayının Aralık Yakınsaması
Peker, S.; Nasibov, E. (2019)Üyelik derecelerinin bulanık olduğu durumlarda Tip II bulanık sayıları kullanılır. Ancak bu sayılar bazı yöntemlerde uygulanamayabilir ve bunların yakınsamaları oluşTurkishulmak istenebilir. Bu çalışmada, aralık Tip II ... -
CLUSTERING IN EUROPEAN STOCK INDICES IN CRISIS AND NON-CRISIS PERIODS
Peker, S.; Aktan, B. (VILNIUS GEDIMINAS TECHNICAL UNIV PRESS, TECHNIKA, 2014)Grouping the major indices of stock markets based on their homogeneities may facilitate the selection period for investors especially today's information rich financial world. This paper attempts to detect and group the ... -
COMPARISON OF FUZZY NUMBERS USING LEFT/RIGHT SIDES OF LEVEL SETS
Peker, S.; Shikhlinskaya, R.; Nasibov, E. (MINISTRY COMMUNICATIONS & HIGH TECHNOLOGIES REPUBLIC AZERBAIJAN, 2020)Comparison is the most important operation in Decision Making (DM) problems. In case of crisp numbers there is not a problem, but comparison of Fuzzy Numbers (FN) involves many problems. This study handles a level set ... -
Decision influence of the marketing department in the organization: An emerging country perspective
Gok, O.; Hacioglu, G.; Peker, S. (Journal of East European Management Studies, 2018)The role and influence of the function of marketing within the organization has been the focus of scholarly research and practitioners’ attention in the business literature. Despite its central role and locus in business ... -
Decision Influence of the Marketing Department in the Organization: An Emerging Country Perspective
Gok, O.; Hacioglu, G.; Peker, S. (NOMOS VERLAGSGESELLSCHAFT MBH & CO KG, 2018)The role and influence of the function of marketing within the organization has been the focus of scholarly research and practitioners' attention in the business literature. Despite its central role and locus in business ... -
On the nearest parametric approximation of a fuzzy number
Nasibov, E.N.; Peker, S. (Fuzzy Sets and Systems, 2008)Many nearest parametric approximation methods of fuzzy sets are proposed in the literature. It is clear that the specific approximations may lead to the loss of information about fuzziness. To overcome this problem, most ... -
On the nearest parametric approximation of a fuzzy number
Nasibov, E.N.; Peker, S. (ELSEVIER SCIENCE BV, 2008)Many nearest parametric approximation methods of fuzzy sets are proposed in the literature. It is clear that the specific approximations may lead to the loss of information about fuzziness. To overcome this problem, most ... -
SUSTAINABLE RISK MANAGEMENT: FUZZY APPROACH TO VOLATILITY AND APPLICATION ON FTSE 100 INDEX
Peker, S.; Tvaronaviciene, M.; Aktan, B. (ENTERPRENEURSHIP & SUSTAINABILITY CENTER, 2014)In this paper, a fuzzy volatility labeling algorithm is offered to detect the periods with abnormal activities on daily share returns. Considering the vagueness in the switches of the time periods, the membership functions ... -
THE IMPACT OF MARKETING'S INNOVATION-RELATED CAPABILITIES ON A FIRM'S INNOVATION PERFORMANCE
Gok, O.; Peker, S. (WORLD SCIENTIFIC PUBL CO PTE LTD, 2020)Innovation performance is a potential source of competitive advantage for any firm. A capable marketing department (MD) can contribute significantly to the market success of the new products and services offered. Therefore, ... -
THE IMPACT of MARKETING'S INNOVATION-RELATED CAPABILITIES on A FIRM'S INNOVATION PERFORMANCE
Gok, O.; Peker, S. (International Journal of Innovation Management, 2020)Innovation performance is a potential source of competitive advantage for any firm. A capable marketing department (MD) can contribute significantly to the market success of the new products and services offered. Therefore, ... -
The marketing department's reputation in the firm
Gok, O.; Peker, S.; Hacioglu, G. (European Management Journal, 2015)The role, effectiveness and credibility of the marketing function within a firm have been the focus of scholarly research and practitioners' attention in marketing, and both researchers and practitioners argue that the ... -
The marketing department's reputation in the firm
Gok, O.; Peker, S.; Hacioglu, G. (ELSEVIER SCI LTD, 2015)The role, effectiveness and credibility of the marketing function within a firm have been the focus of scholarly research and practitioners' attention in marketing, and both researchers and practitioners argue that the ... -
Time series labeling algorithms based on the K-nearest neighbors' frequencies
Nasibov, E.N.; Peker, S. (Expert Systems with Applications, 2011)In the current paper, time series labeling task is analyzed and some solution algorithms are presented. In these algorithms, fuzzy c-means clustering, which is one of the unsupervised learning methods, is used to obtain ... -
Time series labeling algorithms based on the K-nearest neighbors' frequencies
Nasibov, E.N.; Peker, S. (PERGAMON-ELSEVIER SCIENCE LTD, 2011)In the current paper, time series labeling task is analyzed and some solution algorithms are presented. In these algorithms, fuzzy c-means clustering, which is one of the unsupervised learning methods, is used to obtain ... -
Tip Ii Genelleştirilmiş Çan Şekilli Bulanık Sayısının Tip Ii Parametrik Yamuk Bulanık Sayı Yakınsanması
Peker, S.; Nasibov, E.N. (2019)Belirsizliğin olduğu durumlarda bulanık sayının 0 ve 1’den farklı olarak diğer üyelik seviyelerine olanak tanıması çeşitli uygulamalarda bulanık sayının kullanılmasına yol açmıştır. Tip 1 bulanık sayılarda her bir x değerine ... -
Understanding the links among innovation performance, market performance and financial performance
Gok, O.; Peker, S. (Review of Managerial Science, 2017)Innovation and its impacts on business performance are strategically vital deliberations for modern business organizations. In this study, we examine how innovation performance affects two different facets of firm performance: ... -
Understanding the links among innovation performance, market performance and financial performance
Gok, O.; Peker, S. (SPRINGER HEIDELBERG, 2017)Innovation and its impacts on business performance are strategically vital deliberations for modern business organizations. In this study, we examine how innovation performance affects two different facets of firm performance: ... -
What Ward's clustering method tells about the four largest emerging equity markets?
Aktan, B.; Peker, S.; Bellalah, M. (International Journal of Entrepreneurship and Small Business, 2020)Investing in stock market indices or ETFs could be more reasonable (and secure) for relatively new and incognisant investors who are personally unable to value of each stock/firm in a way. This paper attempts to group the ...

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