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The purpose of this research is to build a review study to analyse the situation of successful companies in the use of digital twinning to reduce waste and losses that occur in the lack of accurate investment of time and efforts made, and from this basis was presented a set of previous studies related to digital twinning in order to determine the findings of these studies and discuss them by identifying points of similarity and difference between these studies,  And then come up with an idea and a new mechanism to determine the behaviours that companies can pursue in order to apply digital twinning, and on this basis the research discussed the conceptual framework of digital twinning and then the mechanisms through which companies can use it in order to develop their ability to achieve strategic success and competitiveness, the research has come out with several results, foremost of which was that digital twinning works to build a digital model that parallels competing companies through data analysis, improving their efficiency, accelerating innovation, predicting trends, and Then improve the customer experience and achieve integration between the current systems and the systems pursued by other companies.

This research implements RFM (Recency, Frequency, Monetary) analysis to perform customer segmentation and evaluate the effectiveness of marketing campaigns in a retail company. Using a Kaggle dataset, this study identifies customers based on purchasing behaviour and assesses marketing campaign responses for each segment. The analysis reveals that Loyal, VIP, and New Customer segments showed the highest responses, especially in Campaign 6. The findings emphasize the importance of targeting resources on effective segments and campaigns to optimize marketing strategies and maximize ROI. Personalized campaigns based on segmentation can enhance customer retention and align product offerings with customer needs.

In a competitive business environment, understanding customer behaviour and improving retention strategies are critical to a company's success. Many companies struggle to identify valuable customers, understand their needs, and develop effective marketing strategies. One method that has proven effective is Recency, Frequency, and Monetary (RFM) analysis, which measures customer value based on three dimensions: when the customer last made a purchase, how often they transact, and how much money they spend. This research focuses on applying the RFM method with Python for customer segmentation in a retail company. By analysing customer transaction data, this research shows how RFM analysis can provide deep insights into customer behaviour and assist in the development of more targeted marketing strategies. The ultimate goal is to improve customer retention and maximise the return on investment (ROI) of marketing activities. This research offers practical solutions to common challenges in customer relationship management and contributes to the development of more efficient data-driven marketing methods.

One of the problems that humans face in everyday life is the economy, especially in terms of meeting needs. To survive, humans have to meet all their complex needs. Because rural people often have economic difficulties, they are the most involved in Emok Bank. An Emok Bank is a type of bank that lends money to people by visiting customers in person by sitting upright with both legs bent backwards. An Emok Bank transaction system is done by sitting licensed in certain places, like the terrace of a client's house. Qualitative research is research that produces descriptive data that are written or oral words of people and behaviour that can be observed. The Emok Bank has made the public worried about the high interest rates and the liability system used in the shares. As a result, many communities, especially households, are plunged into problems arising from paying difficulties. Often, loans from this Emok Bank are used to pay off debts to other Emok Banks. Economic circumstances make a householder dependent on a mother's bank. The existence of an Emok Bank has led to bad behavior against the households in the village of Leuweung Gede, most of them being borrowers to an emoc bank that borrows more than one bank.

The development of the Islamic banking sector in Indonesia reflects a response to the public's need for a banking system that not only provides sound financial services, but also adheres to sharia principles. PT Bank Syariah Indonesia as a major player in this sector has to face the changes that occur due to high competition in an effort to win customer trust and support. Currently, customer behaviour in the Indonesian banking industry is very diverse. Low administrative costs are also an important consideration for customers. The importance of these factors in customer decision-making has been recognised by modern banks, which now realise that customers do not only consider interest rates or financial benefits, but also want the sophistication and full features of banking products. Technological advancement, especially in mobile banking, has become a significant trend, not only in developed countries but also in developing countries such as Indonesia. Mobile banking, as one of the service products offered by PT Bank Syariah Indonesia, is an important factor in students' decision to open an account online. The existence of good virtual services from Bank Syariah Indonesia, especially through the mobile banking platform, is a major attraction for students, given their dependence on technology and the need for convenience in transactions.