Return the first n rows.
This function returns the first n rows for the object based on position. It is useful for quickly testing if your object has the right type of data in it.
For negative values of n, this function returns all rows except the last |n| rows, equivalent to df[:n]
.
If n is larger than the number of rows, this function returns all rows.
Number of rows to select.
The first n rows of the caller object.
Examples
>>> df = pd.DataFrame({'animal': ['alligator', 'bee', 'falcon', 'lion', ... 'monkey', 'parrot', 'shark', 'whale', 'zebra']}) >>> df animal 0 alligator 1 bee 2 falcon 3 lion 4 monkey 5 parrot 6 shark 7 whale 8 zebra
Viewing the first 5 lines
>>> df.head() animal 0 alligator 1 bee 2 falcon 3 lion 4 monkey
Viewing the first n lines (three in this case)
>>> df.head(3) animal 0 alligator 1 bee 2 falcon
For negative values of n
>>> df.head(-3) animal 0 alligator 1 bee 2 falcon 3 lion 4 monkey 5 parrot
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