在這項研究中，我們基於2013年至2015學年入學的退學學生的不及格課

在這項研究中，我們基於2013年至2015學年入學的退學學生的不及格課程，並試圖發現失敗課程的因果關係，並且找出學生在低年級的不及格的課程，這些不及格的課程導致高年級的一系列不及格的課程，並且進而造成最後的dropout。

結果 (英文) 1:

In this study, we based on 2013-2015 school year, school drop-out students failing courses, and trying to find a causal relationship failed courses, and failed to identify students in lower grades of course, do not pass these courses lead to a series of failed high school curriculum, and in turn cause the final dropout.

結果 (英文) 2:

In this study, we based our series on failing courses for dropout students enrolled in the 2013-2015 school year, and tried to identify the causal relationship between failing courses, and to identify failing courses in lower grades that led to a series of failing courses in senior grades and, in turn, led to a final dropout.

結果 (英文) 3:

In this study, based on the failed courses of the dropout students enrolled in 2013-2015 academic year, we try to find the causal relationship between the failed courses, and find out the failed courses of the students in the lower grades. These failed courses lead to a series of failed courses in the higher grades, and then cause the final dropout.