This post was kindly contributed by DATA ANALYSIS - go there to comment and to read the full post. In his book Machine Learning in Action, Peter Harrington provides a solution for parameter estimation of logistic regression . I use pandas and ggplot to realize a recursive alternative. Comparing with the iterative method, the recursion costs more space but may bring...
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This post was kindly contributed by DATA ANALYSIS - go there to comment and to read the full post. The line-by-line feature in Python allows it to count hard disk-bound data. The most frequently used data structures in Python are list and dictionary. Many cases the dictionary has advantages since it is a basically...
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append(), while stack uses pop() and queue applies pop(0) distinctively.Given a string containing just the characters ‘(‘, ‘)’, ‘{‘, ‘}’,...
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#-------------------------------------------------------------------------------
# Name: Methods of sorting
# Purpose: implements the sortings mentioned by Robert Sedgewick and
# Kevin Wayne, Algorithms 4ed
#
#-------------------------------------------------------------------------------
def selection_sort(a):
for i in range(len(a)):
...
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# Name: Unique String
# Purpose: Find if a string is unique or not
#
#-------------------------------------------------------------------------------
# Solution 1
def is_unique(s):
a = *256
for n in s:
# Use the ord() function to find the ASCII value of a character
if a:
return False # jump out of the...
Read more » while to control flow once the iteration times are unknown% and \ to retrieve digits from a integerReverse digits of an integer.Example1: x = 123, return 321
Example2: x = -123, return -321
def rev_int(a):
negative = False
...
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if a < b:
a = b
Say you have an array for which the ith element is the price of a given stock...
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