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I appeared for an interview before Sep 2023.
It didnt require time limit to complete.
iLoc is used for integer-location based indexing while Loc is used for label-based indexing in pandas.
iLoc is used for selecting data based on integer index positions.
Loc is used for selecting data based on labels.
iLoc uses integer index positions starting from 0.
Loc uses labels from the index or column names.
Example: df.iloc[0] selects the first row based on integer index position.
Example: df.loc['row_label'] selects ...
Principal component analysis is a technique used to reduce the dimensionality of data while preserving its variance.
PCA is a dimensionality reduction technique that identifies the directions (principal components) along which the data varies the most.
It projects the data onto these principal components to reduce the dimensionality of the data.
PCA is commonly used in machine learning for feature extraction and data visu...
Variance in principal component analysis helps to identify the most important features in the data.
Variance measures the spread of data points around the mean, indicating the importance of each feature in capturing the overall variability.
Higher variance implies more information is retained by the principal components, making them more significant in representing the data.
By selecting components with high variance, we ...
I have been working on developing a machine learning model for predicting customer churn in a telecom company.
Developed machine learning algorithms using Python and TensorFlow
Cleaned and preprocessed large datasets to train the model
Performed feature engineering to improve model performance
Conducted A/B testing to evaluate model effectiveness
Use the pandas library to read a CSV file in Python.
Import the pandas library: import pandas as pd
Use the read_csv() function to read the CSV file: df = pd.read_csv('file.csv')
Specify additional parameters like delimiter, header, etc. if needed
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I applied via Naukri.com and was interviewed in Nov 2019. There were 3 interview rounds.
I'm seeking new challenges and opportunities for growth that align with my career goals and aspirations.
Desire for professional growth: I'm looking to expand my skill set and take on more leadership responsibilities.
Seeking a better cultural fit: My current company has a different work culture than what I thrive in; I value collaboration and innovation.
Interest in new technologies: I'm excited about working with cuttin...
I applied via Company Website and was interviewed before Oct 2020. There were 3 interview rounds.
I applied via Company Website and was interviewed before Feb 2020. There was 1 interview round.
posted on 19 May 2021
I applied via Walk-in and was interviewed before May 2020. There were 3 interview rounds.
C++ is a high-level programming language used for developing system software, application software, device drivers, and video games.
C++ is an extension of the C programming language.
It supports object-oriented programming concepts like classes, inheritance, polymorphism, and encapsulation.
C++ is used in developing operating systems, browsers, databases, and other software applications.
It is known for its performance an...
A data structure that stores a sequence of elements in a linear order.
Consists of nodes that contain data and a pointer to the next node.
Can be singly linked or doubly linked.
Used for implementing stacks, queues, and hash tables.
Example: Singly linked list - 1 -> 2 -> 3 -> null
Example: Doubly linked list - null <- 1 <-> 2 <-> 3 -> null
I applied via Job Portal and was interviewed before Dec 2019. There was 1 interview round.
I applied via Naukri.com and was interviewed in Aug 2018. There was 0 interview round.
I applied via Company Website and was interviewed before Jun 2020. There was 1 interview round.
I applied via Campus Placement and was interviewed before Mar 2020. There were 5 interview rounds.
based on 1 interview experience
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