Pandas DataFrame: info() function
DataFrame - info() function
The info() function is used to print a concise summary of a DataFrame. This method prints information about a DataFrame including the index dtype and column dtypes, non-null values and memory usage.
Syntax:
DataFrame.info(self, verbose=None, buf=None, max_cols=None, memory_usage=None, null_counts=None)
Parameters:
Name | Description | Type / Default Value | Required / Optional |
---|---|---|---|
verbose | Whether to print the full summary. By default, the setting in pandas.options.display.max_info_columns is followed. | bool | Optional |
buf | Where to send the output. By default, the output is printed to sys.stdout. Pass a writable buffer if you need to further process the output. | writable buffer Default Value: defaults to sys.stdout |
Required |
max_cols | When to switch from the verbose to the truncated output. If the DataFrame has more than max_cols columns, the truncated output is used. By default, the setting in pandas.options.display.max_info_columns is used. | int | Optional |
memory_usage | Specifies whether total memory usage of the DataFrame elements (including the index) should be displayed. By default, this follows the pandas.options.display.memory_usage setting. True always show memory usage. False never shows memory usage. A value of ‘deep’ is equivalent to “True with deep introspection”. Memory usage is shown in human-readable units (base-2 representation). Without deep introspection a memory estimation is made based in column dtype and number of rows assuming values consume the same memory amount for corresponding dtypes. With deep memory introspection, a real memory usage calculation is performed at the cost of computational resources. |
bool, str | Optional |
null_counts | Whether to show the non-null counts. By default, this is shown only if the frame is smaller than pandas.options.display.max_info_rows and pandas.options.display.max_info_columns. A value of True always shows the counts, and False never shows the counts. | bool | Optional |
Returns: None
This method prints a summary of a DataFrame and returns None.
Example:
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