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Rstudio Homework

15/09/2020 Client: sathvik2009 Deadline: 24 Hours

# 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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