Casper Pharma Interview Questions and Answers

Developed a predictive model for customer churn using machine learning algorithms

• Used R programming language to clean and preprocess customer data

• Implemented various machine learning algorithms such as Random Forest and Logistic Regression

• Evaluated model performance using metrics like accuracy, precision, and recall

I use metrics such as accuracy, precision, recall, F1 score, ROC-AUC, and confusion matrix to test the models deployed.

• Accuracy: measures the overall correctness of the model

• Precision: measures the proportion of true positive predictions among all positive predictions

• Recall: measures the proportion of true positive predictions among all actual positives

• F1 score: balances precision and recall

• ROC-AUC: measures the area u...read more

I have a basic understanding of JavaScript and can work with it to some extent.

• Familiar with basic JavaScript syntax and concepts

• Able to manipulate DOM elements using JavaScript

• Have experience working with JavaScript libraries like jQuery

Yes, R can be integrated with JavaScript using the 'shiny' package to create interactive web applications.

• Use the 'shiny' package in R to create interactive web applications

• Use the 'htmlwidgets' package to embed interactive R visualizations in web pages

• Utilize the 'r2d3' package to create D3 visualizations in R and embed them in web applications

The 'V8' package in R is used to import and execute JavaScript code.

• Use the 'V8' package in R to import and execute JavaScript code.

• Install the 'V8' package using install.packages('V8').

• Load the 'V8' package using library(V8).

• Use the v8() function to create a new V8 context and execute JavaScript code.

I have 3 years of experience as a pricing analyst in the retail industry.

• Analyzed pricing strategies to optimize profitability

• Utilized data analysis tools to track pricing trends

• Collaborated with sales and marketing teams to develop pricing strategies

• Implemented pricing changes based on market research and competitor analysis

I excel at managing multiple priorities by prioritizing tasks, staying organized, and communicating effectively.

• Prioritize tasks based on deadlines and importance

• Use tools like to-do lists or project management software to stay organized

• Communicate with team members and stakeholders to ensure alignment on priorities

• Delegate tasks when necessary to focus on high-priority items

Presented pricing analysis to senior leadership, highlighting key insights and recommendations

• Prepared detailed presentations summarizing pricing analysis findings

• Communicated complex pricing strategies in a clear and concise manner

• Engaged with senior leadership to gather feedback and address any questions or concerns

• Collaborated with cross-functional teams to align pricing strategies with overall business goals

I am skilled in identifying inefficiencies and implementing solutions to streamline processes.

• I have experience analyzing current processes to identify bottlenecks and areas for improvement

• I am proficient in implementing process improvements to increase efficiency and reduce costs

• I have successfully led cross-functional teams to implement process improvements, resulting in measurable results

• I am familiar with tools suc...read more

Data integrity principle ensures data is accurate, consistent, and reliable.

• Data should be accurate and free from errors or inconsistencies.

• Data should be consistent and not contradict itself.

• Data should be reliable and trustworthy for decision-making.

• Examples: Using checksums to verify data integrity, implementing access controls to prevent unauthorized changes.

HPLC stands for High Performance Liquid Chromatography. It separates compounds based on their interaction with a stationary phase and a mobile phase.

• HPLC works by pumping a sample mixture through a column filled with a stationary phase, where different compounds interact differently with the stationary phase.

• Compounds with stronger interactions will move slower through the column, leading to separation based on their p...read more