R Exercises – 31-40 – Data Frame Manipulations

1. Working with the ‘mtcars’ dataset a. Get a histogram of the ‘mpg’ values of ‘mtcars’. Which bin contains the most observations? b. Are there more automatic (0) or manual (1) transmission-type cars in the dataset? Hint: ‘mtcars’ has 32 observations. c. Get a scatter plot of ‘hp’ vs ‘weight’. 2. Working with the ‘iris’ dataset 

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graphs in r

The three main ways to produce graphs in R – Data Visualization in R

Data Visualization in R If you are performing statistical analysis, data visualization is an inherent part of it. There is no quality data analysis software without visualization tools. We all know Microsoft Excel and we also know those pie and bar charts we can create quite easily with Excel. If somebody without any analysis background 

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