frompyspark.sql.functionsimportcol,expr,when,udffromurllib.parseimporturlparse# Define a UDF (User Defined Function) to extract the domaindefextract_domain(url):ifurl.startswith('http'):returnurlparse(url).netlo
Add some code to the notebook. Use PySpark to read the JSON file from ADLS Gen2, perform the necessary summarization operations (for example, group by a field and calculate the sum of another field) and write the summarized data back to ADLS Gen2. He...
// Create an array and fill it with 12 values var months = new Array(“Jan”, ”Feb”, ”Mar”, ”Apr”, ”May”, ”Jun”, ”Jul”, “Aug”, ”Sep”, ”Oct”, ”Nov”, ”Dec”) // If the monthNumber passed in is somewhere ...
In order to connect to the Azure Data Lake we can create a credential in Azure Active Directory (AAD) with access to the relevant files and folders. We need a ClientID and a key for this credential and also need a reference to our AAD. We can store these values in Azure Key Vault a...
df.reset_index(level='Branch', col_level=1, col_fill='Department') 9. Practical Tips .reset_index() function is very useful in cases when you have performed a lot of preprocessing steps with your data such as removing null values rows or filtering data. These processes may return a diff...
Note that the column names used (shown here as user_id, user_name and user_age) need to be updated for each dataset, but the structure will be the same. I also asked CoPilot to translate this SQL code to PySpark and it suggested the code below (with a...
(R2) score. As we have logged the metrics to Microsoft Fabric using mlflow, we will use the UI to navigate and obtain the metrics.The MSE measures the average squared difference between the predicted and actual values. On the other hand,the R2 score measures the proportion of...