10+ Nikash CNC ENGINEERS Interview Questions and Answers

Bayesian market mix modelling equation and meaning of intercept

• Bayesian market mix modelling is a statistical technique used to analyze the impact of marketing activities on sales

• The equation includes variables such as advertising spend, promotions, and other marketing efforts

• The intercept in the equation represents the baseline level of sales that would occur without any marketing activities

• It helps in understanding the overall effectiveness of marketing strategies

Floodlight tags are implemented on specific pages of a website to track conversions and user activity.

• Implement floodlight tags on key conversion pages such as thank you pages, order confirmation pages, and lead submission pages.

• Ensure floodlight tags are placed within the section of the HTML code on the designated pages.

• Use a tag management system like Google Tag Manager to easily deploy and manage floodlight tags.

• Test the implementation of floodlight tags using tools like G...read more

Joining two different data sets involves using a common key to merge the data into a single dataset.

• Identify a common key in both data sets (e.g. customer ID, product ID)

• Use a join operation (e.g. inner join, left join, right join) based on the common key

• Choose the appropriate join type based on the desired outcome (e.g. include all data from one set, only matching data, etc.)

Primary key uniquely identifies a record in a table, while foreign key establishes a link between two tables.

• Primary key ensures each record is unique in a table

• Foreign key establishes a relationship between tables

• Primary key is used to enforce entity integrity

• Foreign key is used to enforce referential integrity

A shell campaign is a marketing strategy where a company promotes its products or services through a series of related advertisements or promotions.

• Shell campaigns often have a consistent theme or message that ties all the advertisements together.

• They can include various marketing channels such as social media, TV commercials, print ads, and email campaigns.

• The goal of a shell campaign is to create brand awareness, generate leads, and ultimately drive sales.

• Example: Coca-Cola...read more

Handling total budget for campaigns involves careful planning, monitoring, and allocation of funds.

• Create a detailed budget plan outlining expenses for each campaign

• Monitor spending regularly to ensure it stays within budget

• Allocate funds strategically based on campaign goals and target audience

• Consider factors like advertising costs, creative production, and media placement

• Adjust budget as needed based on campaign performance and ROI

Reimmersion is the process of reintegrating into a culture or environment after being away from it for a period of time.

• Reimmersion involves adjusting to familiar surroundings and routines after a period of absence.

• It may involve reconnecting with people, adapting to changes, and readjusting to the pace of life.

• Examples include returning to one's home country after studying abroad, or rejoining a workplace after a sabbatical.

A saturation curve for TV shows the relationship between the intensity of a signal and the output response.

• Saturation curve is a graph that shows how the output response of a TV changes with increasing signal intensity.

• It typically starts with a linear increase in output response, then levels off as the TV reaches its maximum capability.

• The saturation point is where the TV can no longer produce a higher output response, even with increased signal intensity.

Polymorphism is the ability of a single function or method to operate on different types of data.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to be used for different data types.

• Examples include method overloading and method overriding in object-oriented programming.

Calculated columns are static values stored in a table, while measures are dynamic calculations based on the data in the table.

• Calculated columns are pre-defined and stored in the table, while measures are calculated on the fly based on user interactions.

• Calculated columns are useful for static values like IDs or categories, while measures are used for dynamic calculations like sums or averages.

• Calculated columns can be used for filtering and sorting, while measures are typic...read more

Different types of charts serve different purposes in data analysis and visualization.

• Bar chart - compares categories of data

• Line chart - shows trends over time

• Pie chart - displays parts of a whole

• Scatter plot - shows relationship between two variables

• Histogram - displays distribution of data