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I applied via Approached by Company and was interviewed in Sep 2024. There was 1 interview round.
I applied via LinkedIn and was interviewed in Jul 2024. There was 1 interview round.
Attention focuses on specific parts of input data, while self attention considers relationships within the input data itself.
Attention is used in models like seq2seq for machine translation to focus on relevant parts of the input sequence.
Self attention is used in transformer models to capture dependencies between different words in a sentence.
Attention mechanisms can be either global or local, while self attention is
Handling null values is crucial for data integrity and analysis.
Identify null values in the dataset using functions like isnull() or isna()
Decide on the best strategy to handle null values - imputation, deletion, or flagging
Impute missing values using mean, median, mode, or predictive modeling techniques
Delete rows or columns with a high percentage of missing values if they cannot be imputed
Flag null values to distingu
Handling imbalanced training data is crucial for model performance and accuracy.
Use techniques like oversampling, undersampling, or SMOTE to balance the dataset
Utilize algorithms that are robust to imbalanced data, such as Random Forest or XGBoost
Consider using ensemble methods or cost-sensitive learning to address class imbalance
Text embeddings are numerical representations of text data that capture semantic meaning.
Text embeddings convert words or sentences into numerical vectors.
They are used in natural language processing tasks like sentiment analysis, text classification, and machine translation.
Popular techniques for generating text embeddings include Word2Vec, GloVe, and BERT.
I applied via Company Website and was interviewed in Jun 2024. There were 3 interview rounds.
Use techniques like regularization, feature selection, cross-validation, and data augmentation.
Utilize regularization techniques like Lasso or Ridge regression to prevent overfitting.
Perform feature selection to focus on the most important variables and reduce noise.
Use cross-validation to assess model performance and generalizability.
Consider data augmentation techniques like synthetic data generation or bootstrapping...
I will lead by setting clear goals, providing guidance, fostering collaboration, and recognizing team achievements.
Set clear goals and expectations for the team
Provide guidance and support to team members
Foster collaboration and communication within the team
Recognize and reward team achievements
Lead by example and demonstrate strong work ethic
I applied via Recruitment Consulltant and was interviewed in Jul 2024. There were 3 interview rounds.
I applied via Company Website and was interviewed before May 2023. There were 2 interview rounds.
Sql and basic ML , statistics questions
I applied via Approached by Company and was interviewed before Mar 2023. There was 1 interview round.
F Score is a measure of a test's accuracy that considers both the precision and recall of the test.
F Score is calculated using the formula: 2 * (precision * recall) / (precision + recall)
It is used in binary classification tasks to balance precision and recall.
A high F Score indicates a model with both high precision and high recall.
TFIDF stands for Term Frequency-Inverse Document Frequency, a numerical statistic that reflects how important a word is to a document in a collection or corpus.
TFIDF is used in natural language processing to evaluate the importance of a word in a document relative to a collection of documents.
It combines two metrics: term frequency (TF) and inverse document frequency (IDF).
TFIDF helps in identifying the significance of...
Cosine similarity is a measure of similarity between two non-zero vectors of an inner product space.
It measures the cosine of the angle between two vectors.
Values range from -1 (completely opposite) to 1 (identical), with 0 indicating orthogonality.
Commonly used in text mining for document similarity and recommendation systems.
Embeddings are generated by converting words or entities into numerical vectors in a high-dimensional space.
Use pre-trained word embeddings like Word2Vec, GloVe, or FastText
Train your own embeddings using algorithms like Word2Vec, GloVe, or FastText on a large corpus of text data
Fine-tune pre-trained embeddings on domain-specific data to improve performance
BERT is a bidirectional transformer model for pre-training language representations, while GPT is a generative model.
BERT is a pre-training model that learns contextual representations of words by considering both left and right context.
GPT is a generative model that uses a transformer decoder to generate text based on the context.
BERT is bidirectional, meaning it can understand the context of a word by looking at both...
I applied via Naukri.com and was interviewed in Jan 2022. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Apr 2023. There were 3 interview rounds.
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