Optionally upload a CSV of data that will be available as data frame "df":
alligator = data.frame( lnLength = c(3.87, 3.61, 4.33, 3.43, 3.81, 3.83, 3.46, 3.76, 3.50, 3.58, 4.19, 3.78, 3.71, 3.73, 3.78), lnWeight = c(4.87, 3.93, 6.46, 3.33, 4.38, 4.70, 3.50, 4.50, 3.58, 3.64, 5.90, 4.43, 4.38, 4.42, 4.25) ) plot(lnWeight ~ lnLength, data = alligator, xlab = "Snout vent length (inches) on log scale", ylab = "Weight (pounds) on log scale", main = "Alligators in Central Florida" ) abline(-8.4761, 3.4311) alli.mod1 = lm(lnWeight ~ lnLength, data = alligator) summary(alli.mod1)
Examples
matrix math
set operations
dates
time series linear regression
bar plot
box plot
pie chart
using uploaded data
plot a simple x-y function
normal distribution and histogram
linear regression
function with loop
functions, tables, math notation
logit regression
f statistic test