How to Load Text File Into Pandas?

9 minutes read

To load a text file into pandas, you can use the read_csv() function which is capable of reading various file formats including text files. Make sure to specify the delimiter and other necessary parameters according to the structure of your text file. Additionally, you can specify the file path and any other optional parameters to customize the loading process. Once the file has been read into a pandas DataFrame, you can perform various data manipulation and analysis tasks on the data.

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How to load text file into pandas using read_html?

To load a text file into pandas using the read_html function, you first need to convert the text file into an HTML format by wrapping the text content within <html> and <body> tags. Then, you can use the read_html function to read the HTML content into a pandas DataFrame.


Here is an example of how you can load a text file into pandas using read_html:

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import pandas as pd

# Open the text file and read its content
with open('data.txt', 'r') as file:
    data = file.read()

# Convert the text content into HTML format
html_content = f'<html><body>{data}</body></html>'

# Read the HTML content into a pandas DataFrame
df_list = pd.read_html(html_content)

# Access the DataFrame from the list
df = df_list[0]

# Now you can work with the DataFrame as needed
print(df)


Make sure to replace 'data.txt' with the path to your actual text file. The read_html function returns a list of DataFrames, so you may need to access the appropriate DataFrame by its index from the list.


How to load only a specific subset of columns when loading text files into pandas using read_csv?

You can load only specific columns from a text file into a pandas dataframe by using the usecols parameter in the read_csv function. The usecols parameter accepts a list of column names or index positions that you want to load.


For example, if you have a text file data.txt with columns "A", "B", "C", "D", and you only want to load columns "A" and "C", you can do the following:

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import pandas as pd

# Load only columns "A" and "C" from data.txt
df = pd.read_csv('data.txt', usecols=['A', 'C'])

# Display the dataframe
print(df)


This will load only columns "A" and "C" from the text file into the dataframe df.


How to load text file into pandas using read_parquet?

To load a text file into a pandas DataFrame using the read_parquet function, you will first need to convert the text file into a Parquet format file. You can do this using the pandas to_parquet function. Here's how you can load a text file into pandas using read_parquet:

  1. Convert the text file into a Parquet file using the to_parquet function:
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import pandas as pd

# Load the text file into a pandas DataFrame
df = pd.read_csv('data.txt')

# Save the DataFrame as a Parquet file
df.to_parquet('data.parquet')


  1. Load the Parquet file into a pandas DataFrame using the read_parquet function:
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import pandas as pd

# Load the Parquet file into a pandas DataFrame
df = pd.read_parquet('data.parquet')

# Display the DataFrame
print(df)


This will load the text file into a pandas DataFrame using the read_parquet function. Note that you can also specify additional parameters in the read_parquet function to customize the loading process, such as specifying columns, parsing dates, etc.

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