Let's say you're given the follow table of make heights:
And say we want to find the mean, median, mode, variance, standard deviation and plot a histogram. You could calculate all this by hand, and plot the histogram by hand. But let's use R Software. Inputting (uploading?) the data.
Mean
Median
Variance
Standard Deviation
Histogram
A slightly more detailed, and well-labeled histogram.
Hopefully Helpful Resources Loading Data into R (video) Instructions for loading .csv and other files into R software on a PC. Some summary statistics and tools to make sense of the data. Summary Statistics for R Data (video) Simple code that gives you a sense of your R data. Mean, median, structure, variance and standard deviation. Finding and Removing Missing Values (video) Cleaning up your data via the "subset(...)" function. One way to remove outliers (a rather visual, qualitative way). Removing missing data. |