Question

question 9 a data analyst writes the following code chunk to return a statistical summary of their dataset: quartet %>% group by(set) %>% summarize(mean(x), sd(x), mean(y), sd(y), cor(x, y)) which function will return the average value of the y column?

Answer 1

The average value of the y column will be returned by the mean(y) function.

What is the purpose of a dataset?

Data sets can store information for usage by a system software, which including healthcare notes or insurance records. The information required by programs or perhaps the system software themselves, such as source code, language frameworks, including corresponding number or parameters, is also stored in data sets.

With an example, what is a dataset?

The information set is a group of figures or values related to a specific topic. A data set might include, for instance, each student's test results in a certain class. A data set seems to be the percentage of fish that each dolphin consumes in an aquariums.

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