title: How to count factors in a cell by using R?
body: <p>I am new to R, can anybody help me write code to answer this simple question in R?</p>
  
  <p>I have ten numbers in one cell which has "376255 428765 462200 487875 706045 1411535 1452311 1648377 1840213 2021740". How do I count these numbers?</p>