What is histogram?  Explain the reason to use the trim parameter.

1.Which parameter is used to give the border colour in a bar chart?


(a) col (b) border

(c) colour (d) fill

10. Which command is used to save a file in R?

(a) dev.off() (b) dev.on()

(c) dev.save() (d) dev.close()

2. List the differences between the head() and tail() functions?

3. What is EDA? 4. Differentiate between invalid values and outliers. 5. How are missing values treated in R? 6. What is data visualisation? 7. How to calculate a data range? 8. How to find a mode value? 9. Give contrast of mean and median. 10. What is density plot?

11. What is histogram?  Explain the reason to use the trim parameter.

find the cost of your paper

Suggest a modification of the binary search algorithm that emulates this strategy for a list of names.

1. Suppose that a list contains the values 20 44 48 55 62 66 74 88 93 99 at index positions 0 through 9. Trace the values of the variables….

Explain why insertion sort works well on partially sorted lists.

1. Which configuration of data in a list causes the smallest number of exchanges in a selection sort? Which configuration of data causes the largest number of exchanges? 2. Explain….

Draw a class diagram that shows the relationships among the classes in this new version of the system

Jack decides to rework the banking system, which already includes the classes BankView, Bank, SavingsAccount, and RestrictedSavingsAccount. He wants to add another class for checking accounts. He sees that savings….