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I applied via Recruitment Consulltant
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posted on 10 Aug 2024
I applied via campus placement at Jeppiaar Engineering College, Chennai and was interviewed before Aug 2023. There were 2 interview rounds.
It was purely logical and reasoning questions
Experienced Business Intelligence Developer with a strong background in data analysis and visualization.
Over 5 years of experience in developing BI solutions
Proficient in SQL, ETL processes, and data modeling
Skilled in creating interactive dashboards using tools like Tableau and Power BI
Strong analytical and problem-solving skills
Excellent communication and teamwork abilities
Code in Python to calculate the sum of all even numbers from 1 to 10
Use a for loop to iterate through numbers from 1 to 10
Check if the number is even using the modulo operator (%)
Add the even numbers to a running total
I applied via Naukri.com and was interviewed before Jan 2022. There were 3 interview rounds.
I was interviewed in Aug 2024.
Related to basic statistics, and case study on sample design
I applied via Naukri.com and was interviewed in Mar 2024. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Nov 2022. There were 3 interview rounds.
TF-IDF is a statistical measure used to evaluate the importance of a word in a document.
TF-IDF stands for Term Frequency-Inverse Document Frequency
It is used to weigh a word's importance in a document by considering its frequency in the document and across all documents
The formula for TF-IDF is: TF-IDF = TF * IDF
TF (Term Frequency) measures how frequently a term appears in a document
IDF (Inverse Document Frequency) mea...
Group by is used to group data based on a column while window function is used to perform calculations on a specific window of data.
Group by is used to aggregate data based on a specific column
Window function is used to perform calculations on a specific window of data
Group by is used with aggregate functions like sum, count, avg, etc.
Window function is used with analytical functions like rank, lead, lag, etc.
Group by ...
Developed a predictive model to forecast customer churn for a telecom company.
Used machine learning algorithms like logistic regression and random forest.
Preprocessed and cleaned the dataset by handling missing values and outliers.
Performed feature engineering to create new variables for better model performance.
Evaluated model performance using metrics like accuracy, precision, and recall.
Implemented the model in prod
Seeking new challenges and opportunities for growth.
Looking for a more challenging role that aligns with my career goals.
Seeking a company that values innovation and encourages professional development.
Want to work in a more collaborative and diverse team environment.
Desire to explore new technologies and industries.
Current company lacks opportunities for advancement or career growth.
I applied via Company Website and was interviewed in Mar 2022. There were 3 interview rounds.
I applied via Referral and was interviewed in May 2022. There was 1 interview round.
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
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