Related InterviewSolutions

• ________ function is usually used inside another function and throws a warning whenever a particular package is not found.(a) Dplyr(b) Require(c) Coin(d) SampleI had been asked this question in an internship interview.Question is from Functions topic in portion Control Structures, Functions, Scoping Rules, Loop Functions and Debugging of R Programming
• Point out the correct statement?(a) Vectorizing the function can be accomplished easily with the Vectorize() function(b) There are different levels of indication that can be used, ranging from mere notification to fatal error(c) Vectorizing the function can be accomplished easily with the vector() function(d) Warnings are generated by the run() functionThis question was addressed to me in class test.My question is from Debugging in division Control Structures, Functions, Scoping Rules, Loop Functions and Debugging of R Programming
• Which function is used to select variables and observations from a given dataset?(a) Subset()(b) Sample()(c) While()(d) Signal()This question was posed to me during an online exam.My doubt is from Functions in division Control Structures, Functions, Scoping Rules, Loop Functions and Debugging of R Programming
• The ________ for R are the main feature that make it different from the original S language.(a) scoping rules(b) closure rules(c) environment rules(d) closure & environment rulesI got this question by my college director while I was bunking the class.Query is from Scoping Rules topic in section Control Structures, Functions, Scoping Rules, Loop Functions and Debugging of R Programming
• How do you create log linear models in R language?(a) loglm()(b) logmn()(c) logfn()(d) loghy()The question was posed to me during a job interview.This interesting question is from Functions topic in division Control Structures, Functions, Scoping Rules, Loop Functions and Debugging of R Programming
• How many types of data structures does R language have?(a) 2(b) 3(c) 5(d) 8I have been asked this question in an online interview.Asked question is from Functions in chapter Control Structures, Functions, Scoping Rules, Loop Functions and Debugging of R Programming
• How missing values and impossible values are represented in R language?(a) NA(b) NAN(c) NA & NAN(d) Not ExistThis question was posed to me in an online quiz.This interesting question is from Functions topic in section Control Structures, Functions, Scoping Rules, Loop Functions and Debugging of R Programming
• Which of the following is primary tool for debugging?(a) debug()(b) trace()(c) browser()(d) traceback()I have been asked this question in homework.This intriguing question comes from Debugging Tools topic in portion Control Structures, Functions, Scoping Rules, Loop Functions and Debugging of R Programming
• __________ prints out the function call stack after an error occurs.(a) trace()(b) traceback()(c) back()(d) traback()The question was posed to me in an interview.The question is from Debugging Tools topic in portion Control Structures, Functions, Scoping Rules, Loop Functions and Debugging of R Programming
• __________ function is used for reading the .csv file in R language.(a) Write.csv()(b) Read.csv ()(c) Let.csv()(d) Table.csv()This question was addressed to me in semester exam.I'm obligated to ask this question of Functions in section Control Structures, Functions, Scoping Rules, Loop Functions and Debugging of R Programming