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Python Pandas - Return if the index is monotonic decreasing (only equal or decreasing) values
To return if the index is monotonic decreasing (only equal or decreasing) values, use the index.is_monotonic_decreasing property.
At first, import the required libraries −
import pandas as pd
Creating the index −
index = pd.Index([50, 40, 30, 30, 30])
Display the index −
print("Pandas Index...\n",index)
Check if the index monotonic decreasing −
print("\nIs the Pandas index monotonic decreasing?\n",index.is_monotonic_decreasing)
Example
Following is the code −
import pandas as pd # Creating the index index = pd.Index([50, 40, 30, 30, 30]) # Display the index print("Pandas Index...\n",index) # Return an array representing the data in the Index print("\nArray...\n",index.values) # Check if the index monotonic decreasing print("\nIs the Pandas index monotonic decreasing?\n",index.is_monotonic_decreasing)
Output
This will produce the following code −
Pandas Index... Int64Index([50, 40, 30, 30, 30], dtype='int64') Array... [50 40 30 30 30] Is the Pandas index monotonic decreasing? True
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