Work with Time Series Containing Missing Data
Thanks to the symbolic nature of Mathematica the values of time series may be any expressions. In particular, the expression Missing[…] is reserved to annotate missing observations, and Mathematica provides a special handling for it.
The time series of temperatures readings in Champaign, Illinois on May 14, 2014.
| In[1]:= |  X |
| Out[1]= |  |
| In[2]:= |  X |
| Out[2]= |  |
| Out[940]= |  |
The missing values are treated as symbolic expressions.
| In[3]:= |  X |
| Out[3]= |  |
Use MissingDataMethod option to specify how to fill in the missing value.
| In[4]:= |  X |
| In[5]:= |  X |
Compare means.
| In[6]:= |  X |
| Out[6]= |  |
