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How to Solve Python AttributeError: module ‘datetime’ has no attribute ‘now’
This error occurs when you import the datetime module and try to call the now() method on the imported module. You can solve this error by importing the datetime class using from datetime import datetime or access the class method using datetime.datetime.now() This...
How to Solve Python AttributeError: ‘datetime.datetime’ has no attribute ‘datetime’
This error occurs when you import the datetime class from the datetime module using from datetime import datetime and then try to create a datetime object using the class constructor datetime.datetime(). You can solve this error by removing the extra datetime when...
How to Solve Python AttributeError: ‘str’ object has no attribute ‘len’
This error occurs when you try to call the len() method of a string. len() is a built-in Python function, which you can use to get the length of the given object. You can solve this error by using len(string) instead of string.len(). This tutorial will go through the...
How to Solve Python AttributeError: ‘numpy.ndarray’ object has no attribute ‘apply’
If you attempt to call the apply() method on a NumPy array, you will raise the AttributeError: 'numpy.ndarray' object has no attribute 'apply'. The apply() method is a DataFrame and a Series method. This error typically occurs when you call values on a DataFrame or a...
How to Calculate Jaccard Similarity in R
The Jaccard similarity compares two sets of data to determine how similar they are. The value of the Jaccard similarity can be between 0 and 1, where the close the number is to 1 the more similar the two sets of data are. This tutorial will go through how to calculate...
How to Solve Python AttributeError: ‘numpy.ndarray’ object has no attribute ‘median’
This error occurs when you try to call the median method on a numpy.ndarray. Although numpy.ndarray has mean, max, min, std, methods, it does not have median as a method. The median method belongs to numpy. To solve this error, you have to call numpy.median, for...
How to Solve Python AttributeError: ‘numpy.ndarray’ object has no attribute ‘remove’
If you attempt to call the remove() method on a NumPy array, you will raise the error AttributeError: ‘numpy.ndarray’ object has no attribute ‘remove’. The remove() method belongs to the List data type. This error typically occurs when trying to...
How to Calculate Cosine Similarity in R
This tutorial will go through how to calculate the cosine similarity in R for vectors and matrices with code examples. Table of contentsWhat is Cosine Similarity?Visual Description of Cosine SimilarityCosine Similarity Between Two Vectors in RCosine Similarity of a...
How to Solve Python AttributeError: ‘numpy.ndarray’ object has no attribute ‘drop’
If you attempt to call the drop() method on a NumPy array, you will raise the AttributeError: 'numpy.ndarray' object has no attribute 'drop'. The drop() method belongs to the DataFrame object. This error typically occurs when you assign a NumPy array to a variable...
How to Solve Pandas AttributeError: ‘DataFrame’ object has no attribute ‘str’
This error occurs when you try to access vectorized string methods using str on a pandas DataFrame instead of a pandas Series. Series.str() provides vectorized string functions for Series and Index. To solve this error, ensure that when you are assigning column names...
Suf is a senior advisor in data science with deep expertise in Natural Language Processing, Complex Networks, and Anomaly Detection. Formerly a postdoctoral research fellow, he applied advanced physics techniques to tackle real-world, data-heavy industry challenges. Before that, he was a particle physicist at the ATLAS Experiment of the Large Hadron Collider. Now, he’s focused on bringing more fun and curiosity to the world of science and research online.