Pipe Operator - English
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Assignment
Not able to find the mean of sepal length and sepal width.Following output is obtained . iris %>% group_by(Species) %>% summarise(mean(Sepal.Length) %>% summarise(mean(Sepal.Width))+
11-12M 20-30S Joohi
Answer last updated on: Dec. 14, 2020, 2:28 p.m.
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group_by()
gr_dramaMov <- group_by(dramaMov, mpaa_rating)When I checked the gr_dramaMov dataframe after execution of above line , they don't appear to be grouped like "R" rated would be closer to one another , "PG-13" rated would be closer to one another and so on..
06-07M 30-40S DVB
Answer last updated on: Nov. 26, 2020, 7:20 p.m.
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Pipe operator
For the assignment on pipe operator1. Use the built-in data set iris. Using the pipe operator, group the flowers by their Species. 2. Summarise the grouped data by the mean of Sepal.Length and Sepal.Width. How can I summarise 2 variables at the same time in same row
12-13M 20-30S sakshi.khanna@juit.ac.in
Answer last updated on: May 5, 2020, 3:37 p.m.
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Overview of R and RStudio -
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Pipe Operator -
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Questions posted on ST Forums:
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Outline:
About summarise function in dplyr About group_by function in dplyr Difference between summarise and group_by functions Use summarise and group_by functions together About pipe operator Examples of pipe operator Benefits of pipe operator Use ggplot2 and dplyr package using pipe operator Plot a boxplot Use count in summarise function
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