Actual Test Output:

>ks-test (c1, D)

Two-sample Kolmogorov-Smirnov test

data: c1 and D

D = 0.7667, p-value < 2.2e−16

Alternative hypothesis: two-sided

Warning message: In ks-test (c1, D): p-values will be approximate in the presence of ties

Actual Test Output:

>t-test (c1, D) Welch Two Sample t-test

data: c1 and D

t = 5.6528, df = 688.778, p-value 2.312e−08

Alternative hypothesis: true difference in means is not equal to 0

95 percent confidence interval: 7.992702 16.499738

Sample estimates: mean of x mean of y 34.2764579 0.2203024