Recent questions tagged #r-Test

+2 votes

Q: How will you check if an element 25 is present in a vector?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: How will you create scatterplot matrices in R language?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: What is the purpose of using Next statement in R language?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: How can you resample statistical tests in R language?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: There is a function fn(a, b, c, d, e) a + b * c - d / e. Write the code to call fn on the vector c(1,2,3,4,5) such that the output is same as fn(1,2,3,4,5).

asked Jul 28, 2019 in R Language by Aarav2017

+4 votes

Q: What is the use of sample and subset functions in R programming language?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: How will you measure the probability of a binary response variable in R language?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: How can you verify if a given object “X” is a matrix data object?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: What do you understand by element recycling in R?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: How can you verify if a given object “X” is a matric data object?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: How do you write R commands?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: How will you read a .csv file in R language?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: Differentiate between seq (6) and seq_along (6)

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: Differentiate between lapply and sapply.

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: What happens if the application object is not able to handle an event?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: Write a function in R language to replace the missing value in a vector with the mean of that vector.

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: What will be the class of the resulting vector if you concatenate a number and a logical?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: How can you debug and test R programming code?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: If you want to know all the values in c (1, 3, 5, 7, 10) that are not in c (1, 5, 10, 12, 14). Which in-built function in R can be used to do this? Also, how this can be achieved without using the in-built function.

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: Write code to build an R function powered by C?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: What will be the class of the resulting vector if you concatenate a number and a character?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: What is meant by K-nearest neighbour?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: What will be the class of the resulting vector if you concatenate a number and NA?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: How do you create log linear models in R language?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: What are the data types in R on which binary operators can be applied?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: What is the memory limit in R?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: What are factor variable in R language?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: How do you split a continuous variable into different groups/ranks in R?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: How can you add datasets in R?

asked Jul 28, 2019 in R Language by Aarav2017

+2 votes

Q: What is the difference between data frame and a matrix in R?

asked Jul 28, 2019 in R Language by Aarav2017

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