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I applied via Naukri.com and was interviewed before Oct 2022. There were 3 interview rounds.
Different types of regression analysis include linear regression, logistic regression, polynomial regression, ridge regression, and lasso regression.
Linear regression: Predicts a continuous outcome based on one or more input features.
Logistic regression: Predicts the probability of a binary outcome.
Polynomial regression: Fits a curve to the data by including polynomial terms.
Ridge regression: Adds a penalty term to the...
Confusion matrix is a table used to evaluate the performance of a classification model.
It is a matrix with rows representing the actual class and columns representing the predicted class.
It helps in visualizing the performance of a classification model by showing the counts of true positive, true negative, false positive, and false negative predictions.
It is commonly used in machine learning to assess the quality of th...
Transformer based models use self-attention mechanism to capture long-range dependencies in data.
Transformer models consist of encoder and decoder layers.
Self-attention mechanism allows each word to attend to all other words in the input sequence.
Positional encoding is added to input embeddings to provide information about the position of words.
Transformer models have achieved state-of-the-art results in various NLP ta...
Various NLP techniques for text extraction include Named Entity Recognition, Part-of-Speech tagging, and Dependency Parsing.
Named Entity Recognition (NER) identifies entities such as names, dates, and locations in text.
Part-of-Speech tagging assigns grammatical categories to words in a sentence.
Dependency Parsing analyzes the grammatical structure of a sentence to identify relationships between words.
I applied via Recruitment Consulltant and was interviewed in Dec 2024. There was 1 interview round.
I applied via Campus Placement and was interviewed in Aug 2024. There were 3 interview rounds.
24 mcqs were given and all of them were of aptitude and sql based
Anagram question solved without using any inbuilt functions
Create a function to check if two strings are anagrams by comparing the frequency of characters
Iterate through both strings and count the frequency of each character
Compare the frequency of characters in both strings to determine if they are anagrams
Frequency of elements in an array
Iterate through the array and count the occurrences of each element
Store the counts in a map or dictionary for easy access
Return the map/dictionary with element frequencies
Impact Analytics interview questions for popular designations
I was interviewed in Aug 2024.
It was easy difficulty.
Get interview-ready with Top Impact Analytics Interview Questions
I was interviewed in Aug 2024.
Hackerrank coding test
Resultant rows for different SQL joins
Inner join - returns rows that have matching values 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 outer join - returns all rows when there is a match in either left or right table
I applied via Instahyre and was interviewed in Jun 2024. There were 3 interview rounds.
Coding round had one SQL and one Python question. And some mcqs around python and math
There were 2 coding questions one is based on array and one more is based on abstraction
Black box testing is a software testing method where the internal structure or code of the application is not known to the tester.
Tester focuses on the functionality of the software without knowing its internal workings
Tests are based on requirements and specifications
Input data is provided and output is compared against expected results
Examples include equivalence partitioning, boundary value analysis, and decision ta
Regression testing is the process of retesting a software application to ensure that new code changes have not adversely affected existing functionality.
Regression testing is performed after code changes to verify that the existing features still work correctly.
It helps in identifying any defects introduced by new code changes.
Automated testing tools are often used for regression testing to save time and effort.
Example...
HTML5 introduced new features like semantic elements, audio/video support, canvas for graphics, local storage, and improved form controls compared to HTML3.
HTML5 introduced semantic elements like <header>, <footer>, <nav>, <article>, <section> for better structure and SEO.
HTML5 added native support for audio and video playback without the need for plugins.
Canvas element in HTML5 allows for...
I applied via Approached by Company and was interviewed in Jul 2024. There were 2 interview rounds.
Unprofessional hiring process, no response after submitting a task despite multiple follow ups
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The duration of Impact Analytics interview process can vary, but typically it takes about less than 2 weeks to complete.
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