Do as directed: 1) In 1991, Rwas developed at the Department of Statistics at the University of _________. 2) Fullform : TS 3) OLTP aggregate and stores historical data.(True/false) 4) In normal distribution, _______ function is used to find CDF. (A) dnorm (B) pnorm (C) qnorm (D) rnorm 5) Which package is used for Decision Tree: (A) rpackage (B) rsession (C) rpart (D) dpart 6) This function closes the specified plot : (A) lm() (B) glm() (C) pairs() (D) dev.off() 7) Which function is used to take population from dataset: (A) sample() (B) population () (C) random() (D) test()
[7 marks]Write a note on classification of data in detail.
[7 marks]What is data analytics and write any two applications of data analytics?
[7 marks]Explain decision tree with example.
[7 marks]What is data frame? Explain the functionally of data frame with example.
[7 marks]Explain dnorm(), pnorm(), qnorm() and rnorm() with suitable example.
[7 marks]Difference between Prescriptive analytics and Predictive analytics.
[7 marks]What is vector? How to create a vector ? Explain logical and character vector with example.
[7 marks]Explain linear regression in detail?
[7 marks]Write a note on Descriptive Analytics in detail.
[7 marks]Explain time series analysis with suitable example.
[7 marks]How to read data from excel? Explain in detail
[7 marks]Write Rscript to draw bar graph using following data: Sale <- c(7,12,28,3,41) months <- c("Mar","Apr","May","Jun","Jul")
[7 marks]Explain reinforcement in detail.
[7 marks]Write Rscript to read a data from JSON file with suitable example.
[7 marks]Explain Histograms and box plot using suitable example.
[7 marks]