Showing posts with the label Udemy popular online courses

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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

Udemy Best Selling Web Development Course

You may ask which course you need to learn. That is a web development course. You can do both regular and part-time job. This course has such a beautifulness. Another way is you can develop your own website and you can learn how to build your website. This is also one kind of advantage, so I am stressing to learn this course. 1. Web development By the end of this course, you will have the confidence and ability to create beautiful, functional websites. This course is project based so you be jumping into building your first website in no time. Don't worry if you have little or no experience, I will take it easy and try to clearly explain what we are doing and learn as we build. I believe this is the best way to learn, you will be able to apply what you are learning to a real project and instantly see the results. What you will be building: Project 1 - Begin by creating static recipe website from scratch, learn the fundamentals of HTML & CSS by hand coding your firs