by Suf | May 15, 2022 | Programming, R, Tips
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...
by Suf | May 15, 2022 | Programming, Python, Tips
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...
by Suf | May 14, 2022 | Pandas, Programming, Python, Tips
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...
by Suf | May 13, 2022 | Programming, R, Tips
This tutorial will go through counting the number of missing values or NAs in a data frame in R. Table of contentsExampleGet Airquality DataSolution #1: Use summarySolution #2: Use sum and is.naSolution #3: Use sum and is.na in FunctionSummary Example Let’s look...
by Suf | May 13, 2022 | Programming, Python, Tips
If you attempt to call the values() method on a NumPy array, you will raise the error AttributeError: ‘numpy.ndarray’ object has no attribute ‘values’. The values() method belongs to the DataFrame object. This error typically occurs when trying to...
