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檎蟲1Kangwook Lee
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The document defines data as values of variables that belong to a set of items. It discusses that data is the second most important thing in data science after the question. Having data does not ensure finding answers without a question to guide the analysis. It then provides an overview of topics in R programming for data extraction, exploration, modeling, and machine learning.Linear
LinearKangwook Lee
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This document contains a system of linear equations with four unknown variables (f1, f2, f3, f4) and their coefficients. It first lists the four equations, then writes them in matrix form and solves for the variables, finding that f1=15, f2=5, f3=20, and f4=0.More Related Content
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檎蟲1
檎蟲1Kangwook Lee
油
The document defines data as values of variables that belong to a set of items. It discusses that data is the second most important thing in data science after the question. Having data does not ensure finding answers without a question to guide the analysis. It then provides an overview of topics in R programming for data extraction, exploration, modeling, and machine learning.Linear
LinearKangwook Lee
油
This document contains a system of linear equations with four unknown variables (f1, f2, f3, f4) and their coefficients. It first lists the four equations, then writes them in matrix form and solves for the variables, finding that f1=15, f2=5, f3=20, and f4=0.More from Kangwook Lee (18)
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