Which python library would you prefer to use for data munging?

855

---

How can you copy objects in python?

946

---

What is the different between range () and xrange () functions in python?

952

---

What are the possible ways to load an array from a text data file in python? How can the efficiency of the code to load data file be improved?

1012

---

Is the jupyter notebook good for python?

1081

---

What is a pass in python?

1127

---

How will you combine multiple different string like “data”, “science”, “in” ,“r”, “programming” as a single string “data_science_in_r_programmming” ?

132

---

How will you create scatterplot matrices in r language?

92

---

Describe strsplit() in r string manipulation?

79

---

Explain for loop control statement in r?

92

---

Explain how to name the list elements in r?

157

---

Describe regex() in r string manipulation?

69

---

How will you merge two dataframes in r programming language?

98

---

What will be the output of log (-5.8) when executed on r console?

91

---

What are the rules to define a variable name in r programming language?

82

---