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Summarizing Data This week we are looking at five most common aggregate functions used to summarize information stored in tables: COUNT and SUM very frequently. COUNT is the only aggregate function that can work on any type of variable. The other four aggregate functions are only appropriate for numerical data. All aggregate functions require you…
This is a guide on Python List comprehension. List comprehension is a great way to write simple and easy to read Python codes. You can use it dictionaries and sets as well. Credits to Corey Schafer , creator of Python course materials. lets create a list In [115]:
|
1 2 |
num = range(10) num |
Out[115]:
|
1 |
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9] |
lets grab all the…
I worked with a World Bank Dataset provided by the Course instructors. The research question was: Prediction of Adjusted Net National Income Per Capita of Countries Brief Introduction to the Research Question The purpose of this project was to identify the best predictors for Adjusted Net National Income Per Capita of countries from multiple World…
What is population size: In simple terms, let’s us say population is the WHOLE SET and What is sample size: let us say it is the SUBSET (which is within the whole set) The norm Normally subsets are within the whole set and are smaller than the whole set Can they be equal ? Yes…
Sometimes, you might need some packages which do not come with the standard Python libraries and you would want to install them separately. You will notice how frustrating it is when you get stuck because of a package you are missing. Sentdex on Youtube covers that accurately and you can watch him here: …
The sp_execute_external_script system stored procedure is the stored procedure which invokes the external environment to run an external script (either Python or R ) in a T-SQL script. This is quite highlights of the sp_execute_external_script stored and some short notes on it. let’s quickly look at the structure of the stored procedure sp_execute_external_script @language = N’language,…
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