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CSC487 Data Mining Homework 2 -Solved


11. Find the distance between objects 1 and 3. Notice that we have mixed type of 
attributes. 
The following python code has will find the distance between any two objects for this dataset. 

We can see that the distance between object 1 and object 3 is 0.651 . 
42. Write a program in any language which can compute Manhattan and Euclidean 
distances between any two given vectors with any length. You can pass the length 
to your function, but please don’t limit the dimension to 2. You can test your 
function on vectors you fill in your code without asking user input. (25 points) 
The following python code has independent functions that will find the Manhattan and 
Euclidean distance between any two given numpy vectors. 

84. In R, there is a built-in data frame called mtcars. Please calculate the 
correlation between mpg and wt attributes of mtcars by using cor() function. 
Then generate scatter plot based on these two attributes. 

We can see that the correlation between vehicle miles per gallon and vehicle weight in 
the mtcars dataset is rmpg,weight = −0.868 . What this explains is that as one variable 

mpg

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