The dataset UScereal in the R MASS library gives nutritional information for a selection of US cereals. Find two variables in this dataset that are associated and use the plot function in R to draw a scatterplot. In this case, I decided to use two variables, “Fat” and “Calories”, to draw a scatterplot. Later I redraw […]
This is the final graph that I get from R. From the graph we can see that the tuition fee keeps increasing from 1960 to 2000. It looks like that the year and tuition fee have a positive relationship. We can expect the tuition will continue growing in the future based on the current graph. During […]
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Motor Trend magazine collected the horsepower and mileage for 32 cars in the 1973-74 model year. To see if there is any relationship between horsepower and mileage, I construct a scatterplot of the these two variables, Horsepower and Mileage. From the Graph,we can see that Mileage decreases as the Horsepower increases. The Mileage and Horsepower […]