Showing posts with the label agile vs waterfall

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How to Check Column Nulls and Replace: Pandas

Here is a post that shows how to count Nulls and replace them with the value you want in the Pandas Dataframe. We have explained the process in two steps - Counting and Replacing the Null values. Count null values (column-wise) in Pandas ## count null values column-wise null_counts = df.isnull(). sum() print(null_counts) ``` Output: ``` Column1    1 Column2    1 Column3    5 dtype: int64 ``` In the above code, we first create a sample Pandas DataFrame `df` with some null values. Then, we use the `isnull()` function to create a DataFrame of the same shape as `df`, where each element is a boolean value indicating whether that element is null or not. Finally, we use the `sum()` function to count the number of null values in each column of the resulting DataFrame. The output shows the count of null values column-wise. to count null values column-wise: ``` df.isnull().sum() ``` ##Code snippet to count null values row-wise: ``` df.isnull().sum(axis=1) ``` In the above code, `df` is the Panda

Top Differences Read Today Agile vs Waterfall model

The Agile and Waterfall both models are popular in Software development. The Agile model is so flexible compared to the waterfall model. The top differences between Waterfall and Agile give you a clear understanding of both processes. Waterfall Model The traditional model is a waterfall. It has less flexibility. Expensive and time-consuming model. Less scalable to meet the demand of customer requirements. The approach is top-down. Starting from requirements one has to finish all the stages, till deployment to complete one cycle. With a small change in requirement, one has to follow all the stages till deployment. The waterfall model creates idleness in resource management. Agile Model The agile model is excellent for the rapid deployment of small changes The small split requirements you can call sprints Less idleness in resource management. Scope for complete team involvement. Faster delivery makes clients happy. You can deploy changes related to compliance or re