Chapter Summary
Text Summary
File Formats
One
raw data record might contain data for several observations. Data
might be stored in this manner in order to reduce the size of the
entire file. The data can be organized into
-
repeating blocks of data
-
an ID field followed by the same number of repeating fields
-
an ID field followed by a varying number of repeating fields.
Reading Repeating Blocks of Data
To
create multiple observations from a record that contains repeating
blocks of data, the INPUT statement needs to hold the current
record until each block of data has been read and written to the
data set as an observation. The DATA step should include statements
that
-
read the first block of values and hold the current ...
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