Combinations are sets of objects that are unordered. Permutations were concerned with order. In a permutation the values 1234, 2341, […]
A permutation is a calculation of how many ways a set can be represented. This is a simple factorial of […]
Taken from the Udemy course Probability & Statistics for Business and Data Science. Consider the following question: “A company made […]
To get an idea of the shape of data, we can’t use Mean, Median or Mode. Instead the Measurements of […]
When we want to know averages and middle aspects of our data, we use measures of central tendency. Measures of […]
x! x! refers to a factorial of x. Meaning, that if x = 5, then x! = 5*4*3*2*1 = 120. […]
In Statistics there are several measuring types: Nominal Types These are predetermined categories and they can’t be sorted. An example […]
While it sounds somewhat complex, a Relative Frequency Table is a two-way data table, but the values are in percentages. […]
This is basic stuff, but just to get it out there, a one-way data is a dataset that requires only […]

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Many years ago, when I first started with web automation, I used a Ruby web framework called Watir. A lot […]
Recently I came to an issue of needing to wait for an element to load. Selenium does have a WebdriverWait […]
# This sample code uses the Appium python client # pip install Appium-Python-Client # Then you can paste this into […]