Useful tips for everyday
How does MySQL master-slave replication work? Replication works as follows: Whenever the master’s database is modified, the change is written to a file, the so-called…
Can a union have duplicates? UNION merges the contents of two structurally-compatible tables into a single combined table. The difference between UNION and UNION ALL…
Does SQL Server Standard Edition support replication? In discussing the feature of replication, the Standard edition has most of the features including SQL Server change…
What can you determine from inspecting a scatterplot? You can determine the strength of the relationship by looking at the scatter plot and seeing how…
What is a regression coefficient in multiple regression? A regression coefficient in multiple regression is the slope of the linear relationship between the criterion variable…
Why is data cleansing important? Data cleansing is also important because it improves your data quality and in doing so, increases overall productivity. When you…
What does a variable importance plot show? Variable importance plot provides a list of the most significant variables in descending order by a mean decrease…
How do you implement time series analysis? 4. Framework and Application of ARIMA Time Series Modeling Step 1: Visualize the Time Series. It is essential…
How do you predict a polynomial regression in Python? Import the important libraries and the dataset we are using to perform Polynomial Regression. Divide dataset…
What do you do with sparse features? Methods for dealing with sparse features Removing features from the model. Sparse features can introduce noise, which the…