Gateway for Preparing Interviews
Explain the differences between Random Forest and Gradient Boosting machines. Random forests are a significant number of decision trees pooled using averages or majority rules at the end. Gradient boosting machines also combine decision trees but at the beginning of the process unlike Random forests. Random forest creates each tree independent of the others while … Read more
Which characters may be used as the second character of an identifier, but not s the first character of an identifier? The digits 0 through 9 may not be used as the first character of an identifier but they may be used after the first character of an identifier What is an abstract method An … Read more
What values do you think a project manager should have? Everybody has their own idea of values. However, it should focus on the job profile and associated with project management. How have you handled disgruntled employees? The interviewer wants to see that you’re a critical thinker and an effective problem solver. Even if you don’t … Read more
Explain the difference between R-Squared and Adjusted R-Squared. The R-Squared technique is a statistical measure of the proportion of variation in the dependent variables, as explained by the independent variables. The Adjusted R-Squared is essentially a modified version of R-squared, adjusted for the number of predictors in a model. It provides the percentage of variation … Read more
Can you list some disadvantages related to linear models? There are many disadvantages to using linear models, but the main ones are: Errors in linearity assumptions Lacks autocorrelation It can’t solve overfitting problems You can’t use it to calculate outcomes or binary outcomes In Inductive Logic Programming what needed to be satisfied? The objective of … Read more
What is .NET? .NET is a framework for software development. It is just like other software development framework like (J2EE). It provides runtime capabilities and a rich set of pre-built functionality in the form of class library and API’s. This .NET framework is an environment to build, deploy and run web services and other applications. … Read more
Write a query to select all teams that won either 1, 3, 5, or 7 games. SELECT team_name FROM team WHERE team_won IN (1, 3, 5, 7); What is the difference between MySQL and SQL? SQL is known as the standard query language. It is used to interact with the database like MySQL. MySQL is a … Read more
What’s the trade-off between bias and variance? Bias is error due to erroneous or overly simplistic assumptions in the learning algorithm you’re using. This can lead to the model underfitting your data, making it hard for it to have high predictive accuracy and for you to generalize your knowledge from the training set to the … Read more
What is URL ?– URL stands for Uniform Resource Locator and it points to resource files on the Internet. URL has four components: http://www. address. com:80/index.html, where http – protocol name, address – IP address or host name, 80 – port number and index.html – file path. What is the purpose of the Runtime class? … Read more
How will you handle the failure of a project? Being a project manager, one should have the quality to handle both successes and failures. While informing about the failure of a project, one should always ensure that it doesn’t impact the morale of the team and work pace. Suppose the project has gone off the … Read more