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I applied via Approached by Company and was interviewed before Jul 2021. There were 2 interview rounds.
Bagging and Boosting are ensemble learning techniques used to improve model performance.
Bagging involves training multiple models on different subsets of the data and averaging their predictions.
Boosting involves training models sequentially, with each model focusing on the errors of the previous model.
Bagging reduces variance and overfitting, while boosting reduces bias and underfitting.
Examples of bagging algorithms ...
Logistic regression is used when the dependent variable is categorical, while linear regression is used for continuous variables.
Logistic regression predicts the probability of an event occurring, while linear regression predicts the value of a dependent variable.
Logistic regression uses a sigmoid function to map the output to a probability value between 0 and 1.
Linear regression assumes a linear relationship between t...
Random forest is an ensemble learning method using multiple decision trees to improve accuracy and reduce overfitting.
Random forest uses multiple decision trees to make predictions.
Decision tree is a single tree structure used for classification and regression.
Random forest reduces overfitting by averaging the predictions of multiple trees.
Decision tree can be prone to overfitting if not pruned properly.
Random forest i...
Use SQL query to find salary department wise
Use GROUP BY clause to group salaries by department
Use SUM() function to calculate total salary for each department
Join with department table if necessary to get department names
Subex interview questions for popular designations
Basic oops and sorting
Again oracle sql, oops, sorting(only for developers),
Get interview-ready with Top Subex Interview Questions
I applied via Campus Placement and was interviewed in Nov 2023. There were 4 interview rounds.
Coding test was good enough.
I applied via Newspaper Ad and was interviewed in Nov 2023. There were 3 interview rounds.
Hwjwj hwjwj jajwj uwjnjwjjw [30/04, 10:06 pm] Lakshmi Narayanan: Sustainability of Open Access Models: As more journals transition to open access publishing, ensuring the financial sustainability of open access models remains a challenge. Publishers need to explore alternative funding mechanisms and business models to cover publication costs while maintaining accessibility.
[30/04, 10:06 pm] Lakshmi Narayanan: Maintaining Editorial Integrity: With the increasing volume of submissions and the pressure to publish, maintaining editorial integrity and quality standards can be challenging. Publishers must implement robust peer review processes, editorial policies, and ethical guidelines to uphold integrity and trustworthiness in scholarly publishing.
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Sdk development test
Was asked to create sdk
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
loc and iloc are two methods in pandas used for selecting data from a DataFrame based on labels or integer index.
loc is label-based, meaning you specify the row and column labels to select data
iloc is integer index-based, meaning you specify the row and column indices to select data
Example: df.loc['row_label', 'column_label'] vs df.iloc[row_index, column_index]
I applied via Campus Placement and was interviewed before Aug 2023. There was 1 interview round.
The resistance and the current are related by Ohm's Law, where resistance (R) is equal to the voltage (V) divided by the current (I).
Ohm's Law states that R = V/I, where R is resistance, V is voltage, and I is current.
If the resistance (R) and the current (I) are given, you can calculate the voltage (V) using Ohm's Law.
For example, if R = 6 ohms and I = 3 amps, then V = R * I = 6 * 3 = 18 volts.
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