Convergytics Solutions Business Consultant Interview Questions, Process, and Tips for Experienced

Time series data can be analyzed using statistical methods and machine learning algorithms.

• Preprocess the data by checking for missing values and outliers.

• Visualize the data using line plots, scatter plots, and histograms.

• Apply statistical methods such as autocorrelation, cross-correlation, and time series decomposition.

• Use machine learning algorithms such as ARIMA, LSTM, and Prophet for forecasting and anomaly detecti...read more

Logistic regression is a statistical method used to analyze and model the relationship between a categorical dependent variable and one or more independent variables.

• It is used to predict the probability of a binary outcome (e.g. yes/no, true/false).

• It is commonly used in marketing, finance, healthcare, and social sciences.

• It assumes a linear relationship between the independent variables and the log-odds of the depend...read more

Business aspects considered while framing a problem

• Identifying the root cause of the problem

• Analyzing the impact of the problem on the business

• Considering the available resources and budget

• Assessing the potential risks and benefits of different solutions

• Evaluating the feasibility and sustainability of the proposed solution

Factors considered while modelling

• Data availability and quality

• Choice of modelling technique

• Assumptions and simplifications

• Model validation and testing

• Business objectives and constraints