This set of Data Science online test focuses on “NumPy – 2”. 1. Which of the following sets the size of the buffer used in ufuncs? a) bufsize(size) b) setsize(size) c) setbufsize(size) d) all of the mentioned 2. Point out the wrong statement. a) A universal function is a function that operates on ndarrays in … Read more
This set of Data Science Questions for campus interviews focuses on “NumPy – 1”. 1. Which of the following is contained in NumPy library? a) n-dimensional array object b) tools for integrating C/C++ and Fortran code c) fourier transform d) all of the mentioned 2. Point out the wrong statement. a) ipython is an enhanced … Read more
This set of Data Science Puzzles focuses on “googleVis”. 1. Which of the following is R interface to google charts? a) googleVis b) googleChart c) googleDataVis d) all of the mentioned 2. Point out the wrong statement. a) The plot command does open a graphics device in the modern way b) Motion Chart is only … Read more
This set of Data Science Aptitude Test focuses on “Slidify”. 1. Which of the following framework is compatible with slidify? a) io2015 b) io2012 c) d3 d) all of the mentioned 2. Point out the wrong statement. a) Slidify is created by Ramnath Vaidyanathan b) Slidify is non customizable c) Slidify presentation are just HTML … Read more
This set of Data Science Questions for entrance exams focuses on “Shiny”. 1. Which of the following project is used for calling R products from web? a) OpenCPU b) OpenDisk c) OpenMem d) All of the mentioned 2. Point out the wrong statement. a) Shiny is platform for creating interactive programs embedded in to web … Read more
This set of Data Science Multiple Choice Questions & Answers (MCQs) focuses on “Model Based Prediction”. 1. Which of the following is correct about regularized regression? a) Can help with bias trade-off b) Cannot help with model selection c) Cannot help with variance trade-off d) All of the mentioned 2. Point out the wrong statement. … Read more
This set of Data Science Multiple Choice Questions & Answers (MCQs) focuses on “Predicting with Regression”. 1. Predicting with trees evaluate _____________ within each group of data. a) equality b) homogeneity c) heterogeneity d) all of the mentioned 2. Point out the wrong statement. a) Training and testing data must be processed in different way … Read more
This set of Data Science Multiple Choice Questions & Answers (MCQs) focuses on “Cross Validation”. 1. Which of the following is correct use of cross validation? a) Selecting variables to include in a model b) Comparing predictors c) Selecting parameters in prediction function d) All of the mentioned 2. Point out the wrong combination. a) … Read more
This set of Data Science Multiple Choice Questions & Answers (MCQs) focuses on “Prediction Motivation”. 1. Which of the following is the valid component of the predictor? a) data b) question c) algorithm d) all of the mentioned 2. Point out the wrong statement. a) In Sample Error is also called generalization error b) Out … Read more
This set of Data Science Multiple Choice Questions & Answers focuses on “Caret – 3”. 1. varImp is a wrapper around the evimp function in the _______ package. a) numpy b) earth c) plot d) none of the mentioned 2. Point out the wrong statement. a) The trapezoidal rule is used to compute the area … Read more
