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# Births.csv dataset contains data about newborn babies and their mothers collected at a hospital

# Births.csv dataset contains data about newborn babies and their mothers collected at a hospital

# Births.csv dataset contains data about newborn babies and their mothers collected at a hospital

# in North Carolina. Download it from Canvas and copy (or upload if Server) it to R’s working directory.

# Read the dataset first by running the following lines. 

 

b = read.csv(“Births.csv”) 

View(b)

 

# Name of the dataset is b.

# Answer the following questions.

 

# 1) How many rows and columns are there in the dataset?

 

 

 

# 2) Is there any missing values in the dataframe?

 

 

# 3) List column names and then rename the “lowbirthweight” variable to “lowweight”.

 

 

# 4) List babies weight and mother’s age for smoking mothers who are mature moms.

 

 

# 5) List baby’s gender and gained weight by mothers who are younger than 20 and not married.

 

 

# 6) Create two vectors:

#      a) Babies’ weight vector for female babies

#      b) Babies’ weight vector for male babies

 

 

# 7) Using the vectors in Question 6, calculate average weight for each.

#    Which gender is heavier on average? Hint: Use function mean().

 

 

# 8) Calculate a new vector based on the following formula

# (gained – weight)/weeks. Name this vector “extraPerWeek”

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