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I applied via Campus Placement and was interviewed in May 2024. There was 1 interview round.
A decision tree is a flowchart-like structure in which each internal node represents a test on an attribute, each branch represents the outcome of the test, and each leaf node represents a class label.
Decision trees are a popular machine learning algorithm used for classification and regression tasks.
They are easy to interpret and visualize, making them useful for understanding the decision-making process.
Each internal...
Model evaluation metrics are used to assess the performance of machine learning models.
Model evaluation metrics help in determining how well a model is performing in terms of accuracy, precision, recall, F1 score, etc.
Common evaluation metrics include accuracy, precision, recall, F1 score, ROC-AUC, confusion matrix, and mean squared error.
These metrics help in comparing different models and selecting the best one for a...
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posted on 31 Jul 2024
I applied via Job Portal and was interviewed in Jul 2024. There were 2 interview rounds.
Python programming for 45 for minutes
Hyperparameters of SVM include C, kernel, gamma, degree, and coef0.
C: Regularization parameter that controls the trade-off between achieving a low error on the training data and minimizing model complexity.
Kernel: Specifies the type of hyperplane used to separate the data.
Gamma: Kernel coefficient for 'rbf', 'poly', and 'sigmoid' kernels.
Degree: Degree of the polynomial kernel function.
Coef0: Independent term in kernel...
Hyperparameters can be tuned using techniques like grid search, random search, and Bayesian optimization.
Grid search: Exhaustively search through a specified subset of hyperparameters.
Random search: Randomly sample hyperparameter combinations.
Bayesian optimization: Use probabilistic models to predict the performance of different hyperparameter configurations.
Power Apps experience is essential for data analysts to create custom apps for data visualization and analysis.
Power Apps is a low-code platform for building custom business apps without writing code.
Data analysts can use Power Apps to create interactive dashboards and reports for data visualization.
Experience with connecting Power Apps to various data sources like Excel, SharePoint, and SQL databases is valuable.
1 hour duration, related financial crisis
I applied via Recruitment Consulltant and was interviewed before Nov 2023. There were 3 interview rounds.
Joins are used to combine rows from two or more tables based on a related column between them.
Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
INNER JOIN returns rows when there is at least one match in both tables.
LEFT JOIN returns all rows from the left table and the matched rows from the right table.
RIGHT JOIN returns all rows from the right table and the matched rows from the left table.
FULL ...
Aggregate functions are functions in databases that perform a calculation on a set of values and return a single value.
Aggregate functions are used to perform operations on a group of rows and return a single result.
Common aggregate functions include SUM, AVG, COUNT, MIN, and MAX.
For example, SUM function calculates the total of a column, AVG calculates the average, COUNT counts the number of rows, MIN finds the minimu
30 questions and time was approx. 45 min to 60 min
There were some basic as well as some high level questions
posted on 11 May 2018
I was interviewed before Mar 2020.
posted on 18 Jan 2020
I applied via Naukri.com and was interviewed in Jul 2019. There were 3 interview rounds.
Maintain elevation of underground piping by using level instruments and proper installation techniques.
Use a level instrument to check the elevation of the piping during installation.
Ensure that the piping is installed with a consistent slope to prevent low spots where water can accumulate.
Regularly inspect the piping to ensure that it has not shifted or settled, which can affect the elevation.
Consider using supports o...
In my previous role as Assistant Manager, I was responsible for overseeing daily operations, managing staff, and ensuring customer satisfaction.
Managed a team of employees and delegated tasks effectively
Handled customer complaints and resolved issues in a timely manner
Created and implemented strategies to improve efficiency and productivity
Collaborated with other departments to achieve company goals
Conducted performanc
Welding electrodes are chosen based on the material being welded. Different materials require different types of electrodes.
Electrodes for mild steel have a coating that produces a stable arc and minimal spatter.
Stainless steel electrodes have a coating that resists corrosion and produces a smooth, clean weld.
Cast iron electrodes have a high nickel content to prevent cracking.
Aluminum electrodes have a special coating ...
posted on 12 Oct 2020
I applied via Naukri.com and was interviewed before Oct 2019. There were 3 interview rounds.
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