Data Science Summarizing Merging Data Online Exam Quiz
Data Science Summarizing Merging Data GK Quiz. Question and Answers related to Data Science Summarizing Merging Data. MCQ (Multiple Choice Questions with answers about Data Science Summarizing Merging Data
Which of the following function is used for determining missing values?
Options
A : any
B : all
C : is
D : all of the mentioned
Which of the following function is used for casting data frames?
Options
A : dcast
B : ucast
C : rcast
D : all of the mentioned
Which of the following function gives information about top level data?
Options
A : head
B : tail
C : summary
D : none of the mentioned
Which of the following join is by default used in plyr package?
Options
A : left
B : right
C : full
D : all of the mentioned
Which of the following transforms can be performed with data value?
Options
A : log2
B : cos
C : log10
D : all of the mentioned
Which of the following function is used for quantiles of quantitative values?
Options
A : quantile
B : quantity
C : quantiles
D : all of the mentioned
Each observation forms a column in tidy data.
Options
A : True
B : False
C :
D :
mutate function is used for casting as multi dimensional arrays.
Options
A : True
B : False
C :
D :
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Data Science Raw Processed Data
Data Science Reading Web Api 1
Data Science Regular Expressions Text Variables
Data Science Residual Variation Mutivariate
Data Structure 0 1 Knapsack Problem