Filter values

---

examples/vectors/filter_values.R

values = c(17, 3, 28, 5)
large_logic = values > 10
large = values[large_logic]
print(large)    # 17, 28

examples/vectors/filter.R

n = c(2, 4, 7, 6, 9, 8)
n[  n > 4 ]
n[  n > 4 & n %% 2] # grater than for and non-zero modulus 2
# n[ some-logical-vector ] to filter certain values and create a shorter vector
n[  n >= 4 ]