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Ericsson
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I applied via Referral and was interviewed before Nov 2020. There were 4 interview rounds.
Assumptions of linear regression
Linear relationship between independent and dependent variables
Homoscedasticity (constant variance) of errors
Independence of errors
Normal distribution of errors
No multicollinearity among independent variables
Multicollinearity in regression analysis affects the accuracy and interpretability of the model.
Multicollinearity occurs when two or more independent variables are highly correlated.
It leads to unstable and unreliable estimates of regression coefficients.
It reduces the precision of the estimates and increases the standard errors.
It makes it difficult to interpret the individual effects of the independent variables.
It c...
Measures to check performance of classification model
Accuracy
Precision
Recall
F1 Score
ROC Curve
Confusion Matrix
Logistic regression assumes linear relationship between independent and dependent variables.
May not perform well with non-linear data
May overfit or underfit the data
May be sensitive to outliers
May require large sample size for stable results
Top trending discussions
I applied via Naukri.com and was interviewed before Apr 2022. There were 6 interview rounds.
Numpy,pandas,data analysis
I applied via Naukri.com and was interviewed in Jul 2022. There were 2 interview rounds.
I applied via Referral and was interviewed before Jan 2022. There were 4 interview rounds.
DSA question Easy to Medium level
I applied via LinkedIn and was interviewed before Sep 2023. There were 3 interview rounds.
Coding on Computer vision, NLP and Recommendation system, any 1 could be picked and solved
Expectations include utilizing data to drive insights and decisions, contributing to business growth, and competitive compensation.
Utilize data to drive insights and decisions
Contribute to business growth through data-driven strategies
Expect competitive compensation based on experience and skills
I applied via Recruitment Consulltant and was interviewed before Nov 2021. There were 4 interview rounds.
Reasoning questions mathematics
I am a highly motivated and dedicated individual with excellent English fluency.
I have been speaking English fluently for over 10 years.
I have a strong command of grammar and vocabulary.
I have experience communicating in English in both professional and social settings.
I have successfully completed English language proficiency tests such as TOEFL with a high score.
I have participated in English-speaking clubs and debat
I have worked in various companies with diverse work profiles.
Worked as a software engineer at XYZ Company, where I developed and maintained web applications using Java and JavaScript.
At ABC Company, I worked as a project manager and successfully led a team of 10 members to deliver a complex software project within the deadline.
In my previous role at DEF Company, I was responsible for conducting market research and ana...
Satisfy customers by providing excellent service and addressing their needs and concerns.
Listen actively to their feedback and take action to improve
Offer personalized solutions and go above and beyond to exceed expectations
Provide timely and efficient service
Maintain a positive and friendly attitude
Ensure quality products and services
Offer incentives and rewards for loyalty
I would rate myself as highly competent and skilled in my field.
I have a strong understanding of the subject matter and can apply it effectively.
I consistently deliver high-quality work and meet or exceed expectations.
I actively seek opportunities to learn and improve my skills.
I am able to work well both independently and as part of a team.
I have received positive feedback and recognition for my work.
I am confident in...
Some of the top questions asked at the Ericsson Data Scientist interview for experienced candidates -
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