Since its inception, Joint Conference on Statistics and Data Science (hereinafter referred to as JCSDS)  has successfully held three sessions. Starting from its debut in Beijing, to the in - depth exploration in Kunming, and then to the booming development in Hangzhou, each session has witnessed the rapid progress in the fields of statistics and data science, and has condensed the wisdom and efforts of countless colleagues. In previous conferences, we jointly discussed cutting - edge theories, shared valuable practical experiences, promoted the in - depth integration of multiple disciplines, and injected a continuous stream of impetus into the development of this field. Today, the conference has grown into one of the largest annual event in the  community of statistics, behind this lies the active participation and unremitting efforts of every atendees.

This conference will continue to uphold the purpose of building a high - level academic exchange platform, further enhance the international vision of researchers and practitioners, and deepen international exchanges and cooperation. We will delve into the latest research trends in the fields of statistics and data science, share cutting - edge theories and application results, stimulate an innovative academic atmosphere, encourage vigorous intellectual exchange, and jointly address complex and ever - changing scientific and technological challenges. During the conference, there will be not only wonderful plenary lectures, invited lectures, and contributed talks, but also a variety of activities such as academic poster presentations, enterprise booths, and talent recruitment, comprehensively demonstrating the new concepts, new technologies, and new developments in the fields of statistics and data science from multiple dimensions.

Guiyang, Guizhou, as the host city of this conference, has unique natural environment and rich human resources. Its remarkable regional characteristics and profound cultural heritage have created extremely favorable conditions for the successful holding of the conference. With a pleasant climate all year round, it is known as the "Forest City". At the same time, as a place where multiple ethnic groups live together, it integrates diverse cultural traditions of the Miao, Bouyei and other ethnic groups, forming a unique and inclusive regional cultural atmosphere. In addition, Guiyang has witnessed the continuous improvement of infrastructure in recent years, with convenient transportation and excellent reception capabilities, providing a solid guarantee for the smooth convening of the conference. The organizing unit, Guizhou University of Finance and Economics, as an important institution of higher learning in Guizhou Province, has complete scientific research facilities, a professional academic team, and a good academic atmosphere. The university has a solid research foundation and teaching advantages in the fields of statistics and data science, providing strong support for the smooth convening of the conference.

Here, we sincerely invite every honored guest who has come from afar. Your active participation is the key to the success of the conference. We firmly believe that with our joint efforts, the 4th Joint Conference on Statistics and Data Science in China will surely be an academic feast of far - reaching influence and great significance!

Finally, we wish all guests a rewarding and fulfilling experience during the conference! Let us move forward hand in hand, jointly promote the development and innovation in the fields of statistics and data science in this era full of opportunities and challenges, and contribute to building a better digital future!