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I applied via Indeed and was interviewed in Jul 2024. There was 1 interview round.
The p value is a measure used in hypothesis testing to determine the significance of the results.
The p value is the probability of obtaining results as extreme as the observed results, assuming the null hypothesis is true.
A p value of less than 0.05 is typically considered statistically significant.
A p value greater than 0.05 suggests that the results are not statistically significant.
Researchers use p values to determ...
Calculate probability of unfair coin tossed n times and do hypothesis testing
Calculate the theoretical probability of getting heads or tails for the unfair coin
Perform the actual coin toss n times and record the outcomes
Use hypothesis testing to determine if the coin is unfair based on the observed outcomes
Bagging and boosting are ensemble learning techniques used to improve the performance of machine learning models by combining multiple weak learners.
Bagging (Bootstrap Aggregating) involves training multiple models independently on different subsets of the training data and then combining their predictions through averaging or voting.
Boosting involves training multiple models sequentially, where each subsequent model c...
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I was interviewed before Dec 2021.
I applied via Company Website and was interviewed in Aug 2024. There were 3 interview rounds.
CLT stands for Central Limit Theorem in statistics.
CLT states that the sampling distribution of the sample mean approaches a normal distribution as the sample size increases.
It is a fundamental concept in statistics and is used to make inferences about population parameters.
CLT is important in hypothesis testing, confidence intervals, and regression analysis.
For example, if you take multiple samples of the same size fr...
Transformer architecture is a type of neural network architecture commonly used in natural language processing tasks.
Consists of encoder and decoder layers
Self-attention mechanism allows for capturing long-range dependencies
Introduced in the paper 'Attention is All You Need' by Vaswani et al.
Used in models like BERT, GPT-3, and Transformer-XL
I have recently worked on a project analyzing customer behavior using machine learning algorithms.
Utilized clustering algorithms to segment customers based on their purchasing behavior
Implemented predictive models to forecast customer churn and recommend personalized marketing strategies
Performed feature engineering to extract meaningful insights from customer data
Setting up a RAG system involves defining criteria for red, amber, and green statuses to track progress or performance.
Define clear criteria for red, amber, and green statuses based on key metrics or thresholds.
Establish a method for regularly monitoring and updating the status of each item or project.
Communicate the RAG system and its criteria to all stakeholders to ensure understanding and consistency.
Use visual indi...
You've assigned a task to develop a project. How would you do it?
I applied via Campus Placement and was interviewed before May 2023. There were 2 interview rounds.
It been for 45 mins. question asked from python,ML,Deep learning and maths.
Correlation measures the strength and direction of a linear relationship between two variables, while covariance measures the extent to which two variables change together.
Correlation ranges from -1 to 1, where 1 indicates a perfect positive relationship, -1 indicates a perfect negative relationship, and 0 indicates no relationship.
Covariance can be positive, negative, or zero. A positive covariance indicates that as o...
I applied via Campus Placement and was interviewed in Sep 2024. There was 1 interview round.
Decision tree is a tree-like model of decisions and their possible consequences, while random forest is an ensemble learning method that builds multiple decision trees and merges them together.
Decision tree is a flowchart-like structure where each internal node represents a decision based on an attribute, each branch represents the outcome of the decision, and each leaf node represents a class label.
Random forest is a ...
Approach involves data preprocessing, model training, evaluation, and interpretation.
Perform data preprocessing such as handling missing values, encoding categorical variables, and scaling features.
Split the data into training and testing sets.
Train the logistic regression model on the training data.
Evaluate the model using metrics like accuracy, precision, recall, and F1 score.
Interpret the model coefficients to under...
I would seek opportunities to apply my skills in related fields within the company.
Explore other departments or teams within the company that may have projects related to my field of interest
Offer to collaborate with colleagues in different departments to bring a new perspective to their projects
Seek out professional development opportunities to expand my skills and knowledge in related areas
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