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　　怎么申請杜克大學生物統(tǒng)計系博士?

　　杜克大學生物統(tǒng)計系提供五年博士學位，期間所修讀的課程包括核心和選修課程，前間核心課程詳細介紹了流行病學研究的原理。貫穿整個課程的是生物統(tǒng)計學家面臨的利益沖突情況的例子，以及可重復(fù)研究的原則和實施策略。一般招收生物學相關(guān)或者具備高定量課程基礎(chǔ)的碩士和本科學位。

　　第一步：首先，具備相關(guān)的先修課程基礎(chǔ)和專業(yè)背景：定量課程、微積分和分析類課程背景

　　來自杜克大學生物統(tǒng)計學博士官網(wǎng)說明：

　　Some of the traits associated with success in our program are problem definition, problem solving, quantitative thinking, critical thinking, communication, intellectual curiosity, and dedication. Regarding training, a mathematical background is particularly important.

　　Students will need proficiency in both single-variate and multi-variate calculus and linear algebra. Specifically, incoming students should have a working knowledge of:

　　Optimization of functions

　　Inverse functions

　　Sequences, series and convergence, Taylor series

　　Convergence of sequences of functions (pointwise, uniform, in measure)

　　Differentiation and integration of single- and multi-variate functions

　　Fubini's theorem

　　Fundamental theorem of calculus

　　Matrix algebra and vectors

　　Vector spaces, metric spaces, Hilbert spaces

　　Linear operators

　　Spectral theorem and diagonalization of matrices

　　Inner products, quadratic forms and projections

　　A course in real analysis is strongly recommended. As curricula can vary, please note that a suitable course would cover the following (in addition to the usual topics in derivatives and integrals):

　　Real and complex number systems

　　Basic point-set topology (compactness, continuity, connectedness)

　　Metric spaces

　　Numerical sequences, convergence, Cauchy sequences

　　Sequences and series of functions

　　For an example text, please see Rudin's “Principles of Mathematical Analysis” (known as 'Baby Rudin').

　　第二步：再次基礎(chǔ)上，滿足以下幾項入學要求

　　在線申請表A completed on-line Graduate School application

　　本科成績Transcripts from all undergraduate and graduate institutions where you earned (or will earn) a degree, studied for one semester or more, or took classes that relate to your current application for graduate study

　　3封推薦信Three letters of recommendation

　　目的陳述Statement of purpose

　　入學考試成績Graduate Record Examination (GRE) scores are not required for students applying to the PhD in Biostatistics Program for Fall 2021 matriculation. Additional information about the Duke University Graduate School application may be found at the Graduate School application website.

　　語言成績Test of English as a Foreign Language (TOEFL) score (If applicable) or International English Language Testing System (IELTS) score (If applicable) or the Duolingo English Test score

　　第三：注意啦!最好在截止日期前遞交所有材料

　　一般開啟申請渠道的是9月1日，僅限秋季學生，截止日期在12月1日。

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