统计作业
R语言代写,r语言代做-无限次修改:包含了所有代写案例以及部分答案
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python医学分析代写 Each patient is identified using an integer identifier (e.g.56374).
Each symptoms is a string such as “headache” or“fever”.
Each diagnostic is a string such as “cold” or“meningitis”
Symptoms for a given patient are stored in a tuple of two sets: the first set contains the symptoms that are present in the patient; the second set contains the symptoms that are observed not to be present (i.e.absent).
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Financial代写 Considerthe daily returns of Caterpillar (CAT) stock from January 2, 2010 to Nov 16, Download the Caterpillar data using the ’quanmod’ package in R. Using daily closing price to construct simple returns so as to form log returns. Multiple the log returns by 100 to obtain the percentage returns. Let rt be the percentage log returns.