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Exercise

Truncate

Use trunc() to examine the distributions of attributes of the Fortune 500 companies.

Remember that trunc() truncates numbers by replacing lower place value digits with zeros:

trunc(value_to_truncate, places_to_truncate)

Negative values for places_to_truncate indicate digits to the left of the decimal to replace, while positive values indicate digits to the right of the decimal to keep.

Instructions 1/2
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  • 1
    • Use trunc() to truncate employees to the 100,000s (5 zeros).
    • Count the number of observations with each truncated value.
    • 2
      • Repeat step 1 for companies with < 100,000 employees (most common).
      • This time, truncate employees to the 10,000s place.
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