title: What is the meaning of "Warning message: In adf.test(dfrn) : p-value greater than printed p-value"?
body: <p><img src="https://i.stack.imgur.com/ru8Jn.png" alt="enter image description here"></p>
  
  <p>I am working on temperature data of 4 years.After differencing, I applied ADF test.  what is the meaning of that warning?? </p>