This study aims to describe the linguistic form in the speech of the Muhammadiyah Surakarta University of Indonesia (MPBI-UMS) Master of Indonesian Language students who portray themselves as junior high school principals. The data in this study are in the form of words, phrases, clauses, and sentences in the speeches of students acting as principals. The source of research data is in the form of student speech transcripts. The data collection technique uses the technique to see and note. The data analysis technique uses the equivalent and final method, while the data validity technique uses theory and source validation. The results in the study show that in the speech of Indonesian language education students the graduate school master's program of Muhammadiyah University of Surakarta covers five fields. First, the field of phonology includes (a) 10 forms of pronunciation error, (b) two forms of capital letters misuse, (c) five forms of italics, and (d) six forms of spelling writing errors. Second, morphology is found in five prepositions. Third, the field of syntax includes (a) four forms of pleonasm errors, (b) four forms of conjunction errors, and (c) four forms of misuse of the redundant word. Fourth, the field of pragmatics includes (a) one form of implicature, (b) one form of expressive speech acts, and (c) two forms of directive speech acts. Fifth, the field of sosiolinguistics includes (a) five forms of code switching, and (b) two forms of code mixing. Sixth, nonformal variety fields are found in one form.
Bootstrap joint prediction regions for sequences of missing values in spatio-temporal datasets
