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I applied via campus placement at Chennai Mathematical Institute, Chennai and was interviewed in Sep 2024. There was 1 interview round.
Confidence interval of an estimator is a range of values that is likely to contain the true value of the parameter being estimated.
Confidence interval provides a range of values within which we are confident the true parameter value lies.
It is calculated based on the sample data and the desired level of confidence.
For example, a 95% confidence interval for the mean weight of a population would be a range of values with...
Logistic regression works by calculating the probability of each class and assigning the observation to the class with the highest probability.
Logistic regression calculates the probability of each class using the logistic function.
The model then assigns the observation to the class with the highest probability.
It is commonly used for binary classification, but can be extended to multiple classes using techniques like
I handle missing values by identifying them, deciding on a strategy (imputation or deletion), and documenting the process.
Identify missing values by checking for null values or using descriptive statistics.
Decide on a strategy for handling missing values such as imputation (mean, median, mode) or deletion (row or column).
Document the process of handling missing values to ensure transparency and reproducibility.
I applied via Referral and was interviewed before Aug 2022. There were 3 interview rounds.
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I applied via Walk-in and was interviewed in Oct 2024. There were 2 interview rounds.
Handle customers and staff with empathy, communication, and problem-solving skills.
Listen actively to customers and staff to understand their needs and concerns.
Communicate clearly and effectively to address any issues or questions.
Provide support and guidance to both customers and staff in a professional and respectful manner.
Resolve conflicts or challenges calmly and efficiently to maintain a positive work environmen...
I applied via Walk-in and was interviewed in Oct 2024. There was 1 interview round.
posted on 23 Sep 2024
I applied via Approached by Company and was interviewed in Aug 2024. There was 1 interview round.
Bagging and boosting are ensemble learning techniques used in machine learning to improve the performance of 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 mode...
Python code to find the employee with second largest income in a list of employees
Sort the list of employees by income in descending order
Return the employee at index 1 in the sorted list
The candidate needs to identify unique characters in a given substring and calculate their length.
Iterate through the substring and store each character in a set to keep track of unique characters
Calculate the length of the set to determine the number of unique characters
Return the set of unique characters and their length as an array of strings
In Python, mutable objects can be changed after creation, while immutable objects cannot be changed.
Mutable objects: lists, dictionaries, sets
Immutable objects: strings, tuples, numbers
Example: x = [1, 2, 3] (mutable), y = 'hello' (immutable)
posted on 20 Dec 2024
I applied via Referral and was interviewed in Nov 2024. There was 1 interview round.
posted on 10 Jan 2025
I applied via Naukri.com and was interviewed in Dec 2024. There was 1 interview round.
I applied via Recruitment Consulltant and was interviewed in Dec 2023. There were 4 interview rounds.
Need to clear assessment of where there have written mcq question
posted on 5 Jun 2024
based on 71 reviews
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