Progressive Infotech Senior Analyst Interview Questions and Answers

Q1. Move all 0's to the end of the list
Ans. 
Move all 0's to the end of the list in an array of strings
• Iterate through the array and move all 0's to the end while maintaining the order of other elements

• Use two pointers approach to swap 0's with non-zero elements
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Case study was on Restaurant Problem

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Q1. Question about projects
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Q2. Why use MSE metric
Ans. 
MSE metric is commonly used in data analysis to measure the average squared difference between predicted values and actual values.
• MSE helps to quantify the accuracy of a model by penalizing large errors more than small errors.

• It is easy to interpret as it gives a clear measure of how well the model is performing.

• MSE is differentiable, making it suitable for optimization algorithms like gradient descent.

• Example: In line...read more
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Q1. Discussion about projects
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Q2. Why use MSE metrics
Ans. 
MSE metrics are commonly used to measure the average squared difference between predicted values and actual values in statistical analysis.
• MSE helps in evaluating the performance of a predictive model by quantifying the accuracy of the model's predictions.

• It penalizes large errors more heavily than small errors, making it a useful metric for identifying outliers or areas where the model is underperforming.

• MSE is widely...read more
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Q1. Please introduce yourself
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Q2. What is Procurement?
Ans. 
Procurement is the process of acquiring goods or services from an external source.
• Procurement involves identifying the need for goods or services

• It includes selecting suppliers, negotiating contracts, and placing orders

• Procurement also involves managing supplier relationships and monitoring performance

• Examples of procurement include purchasing office supplies, hiring contractors for construction projects, and outsourci
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Q3. Why GEP? Tell me something from the JD shared that you liked and how you are a good fit.
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General Aptitude, Email writing

Q1. Tell me about your summer internship project
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Q2. What is FTL, LTL, Procurement, Sourcing
Ans. 
FTL and LTL are transportation modes. Procurement and sourcing are related to supply chain management.
• FTL stands for Full Truckload, which means a shipment that fills an entire truck and is usually transported over long distances.

• LTL stands for Less Than Truckload, which means a shipment that does not require a full truck and is usually transported over shorter distances.

• Procurement is the process of acquiring goods or...read more
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Q3. S2P cycle, P2P cycle, O2C cycle, S2C cycle
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Q1. Case Study of medium difficulty level
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Q2. Questions on the case study and approach to improve
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Q1. Salary discussion and general talks
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Q1. Walk me through your resume
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Q2. What is entropy ? What is gini index? Give a real life example of derivative and second derivative. What is the difference between P-value and beta value? How do you handle imbalanced dataset? What is the ...read more
Ans. 
Entropy is a measure of randomness or disorder in a system. Gini index is a measure of impurity in a dataset. Derivatives measure rate of change. P-value is the probability of observing a test statistic. Beta value is the coefficient in a regression model. Imbalanced datasets have unequal class distribution. Recall is the proportion of actual positives correctly identified. Precision is the proportion of predicted posi...read more
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Q1. What is probability
Ans. 
Probability is the likelihood of a specific event occurring, expressed as a number between 0 and 1.
• Probability ranges from 0 (impossible event) to 1 (certain event)

• It can be calculated by dividing the number of favorable outcomes by the total number of possible outcomes

• Probability can be represented as a percentage, fraction, or decimal
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Q2. Write python code
Ans. 
Python code to find the sum of all elements in a list
• Use the sum() function to find the sum of all elements in a list

• Ensure the list contains only numeric values for accurate results
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Hackerearth - python and ML stuff

Q1. EIgen vectors, Math behind algos and previous projects
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Q1. General discussion why to switch?
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