Probablity , Statistics, Model Complexity
Question
- Find the minimum number of coins required for a given amount with a given set of coins.
- Implement scalable top K words for Amazon product descriptions using count-min sketch.
- What is the computational complexity of finding the most frequent word in a document?
- Imagine you were hired by a hospital to analyze some of their patient reports. The diagnosis of each report consists of a list of disease IDs, while the body of the report is the symptoms and the medical history of the patient logged down by the doctor in natural language. Propose a model to describe the correlations between the set of symptoms and set of diseases extracted from the patient reports.
- If you have 10 TBs of unstructured customer data, and you need to find some clever ways to extract valuable information of it, What do you do? Explain to me in the most technical level that you think.
- Explain decision trees, multi variate regression and PCA
- How to build a classifier to predict the outcome of NFL games in real time?
- Explain about a project on your resume in layman terms
- Explain the Assumptions and violations of K-means clustering
- Describe Feature selection for Document classification
- Given a Dataset explain feature importance.
- Describe Logistic regression parameters, SVM.
- Describe Decision Trees, Random Forests
- Explain SVM to a non-technical person.
- Describe your experience with qualitative and quantitative methods.
- What is the difference between trees and random forest?
- Based on the data we provide you what kinds of questions would you ask to prove that the programs we’re offering that generate said data are adding value to the company?
- How will you design to scale billions and billions of records. How do you decide which big data tools should be used?
- Explain the different type of probability distributions like ggplot.
- How would you model a distribution for churn?
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