Interview Questions

Neha A. - "What are outliers? An outlier is any value which is very distant from the other values in a dataset. They are the result of the variability in the data which occurs due to errors in the data collection, recording, or processing process. They can mislead the results of statistical analysis and machine learning models. How do we identify outliers? There are a few ways to tackle outliers: IQR: Any value that is beyond the upper bound and the lower bound is considered an outlier. Boxplots: Po"See full answer

Abhinav J. - "Use Normalization when: When using pixel values (0-255) into a Neural Network. ➔ Normalize the data between [0,1] to avoid huge input values that could slow down training. When using k-Nearest Neighbors (kNN) or K-Means Clustering. ➔ Because distance metrics like Euclidean distance are highly sensitive to magnitude differences. You are building a Recommender System using Cosine Similarity.➔ Cosine similarity needs data to be unit norm. Use **Sta"See full answer

Hari priya K. - "Netflix is a OTT platform that streams content , TV shows, movies documentaries, to the subscriber's of Netflix. Netflix has approximately 90 million subscribers in USA alone and Netflix's revenue is generated based on their subscriptions. The user buys Netflix subscription, logs in , opens profile and opens the home page of Netflix. 1. Confirmation of the Assumptions Homepage Definition: The homepage is the screen users see after logging into their profile, showing tailored recom"See full answer

Teddy Y. - "class Node: def init(self, value): self.value = value self.children = [] def inorder_traversal(root): if not root: return [] result = [] n = len(root.children) for i in range(n): result.extend(inorder_traversal(root.children[i])) if i == n // 2: result.append(root.value) if n == 0: result.append(root.value) return result Example usage: root = Node(1) child1 = Node(2) chil"See full answer

Soodong P. - "Product and Mission To allow users to create events and host on FB pages. It can be one time or recurring. It can include FB users through feeds or referrals or can be shared out with a link. Product objective is to build strong online and offline bonding through connecting people with common interests and ensure continued engagements. Aligns with the core Meta mission. User Journey and Value + Metrics Organizers: Finds the value when the many participants share interest or"See full answer

Jatin S. - "A project charter is a formal document that authorizes a project and outlines its objectives, scope, stakeholders, and key details. It serves as an agreement among stakeholders and provides a clear foundation for the project by defining what needs to be done and why. Typically, the project sponsor issues the project charter to the project manager or team, formally initiating the project. A project charter typically includes the following key elements to ensure a comprehensive and clear unde"See full answer

Shar N. - "standard answer for this."See full answer

Anubhav S. - " At low level: I would use two stacks: one for forward history and other for backward history. i go to tryexponent.com => this url will be stored in backward history stack. i go to google => again this url will be stored in backward history stack. i press back => data from backward history will be popped and put in to forward history stack. I press forward => data from forward history stack will be popped and put in to backward history tab. Also, whenever i go to any url,"See full answer

Gaston B. - "Use a representative of each, e.g. sort the string and add it to the value of a hashmap> where we put all the words that belong to the same anagram together."See full answer