All about Data Science
Venn Diagram
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Statistics:
doing Data Modeling and Data Set Integration (Join).
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Computer Sci:
to apply Algorithm to the Data Wrangling(storage & manipulation).
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Domain Knowhows:
to issue the question in right direction & ask for help from the right persons.
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Election Prediction in Politics
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Stocks Price Prediction in Economics
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CTR (Click Through Rates) in Marketing
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Analysis in Biotech & Astronomics
all usages plz see https://github.com/jakevdp/PythonDataScienceHandbook/tree/master/notebooks
SciPy: Computing
Matplotlib: Data Visualization
IPython: Interactive-Execution
Scikit-Learn: ML
diff versions of program engins matters with the compatibility of srd party pkg.
the troublesome issued by python shell is that developer switch the multi-screens among tasks, iPython amend this mentioned trouble.
and the magic cmd inluding the escaping cmd called '!' as pre-fix in front of the varible, then the varible will be executed in the terminal in OS, not the Python Core.
Both of them are trying to make the working env in GUI status. And Notbook has more gadgets than Shell, allowing developer to format the data, statements, and widget in JS.
iPython Hot Keys
| Key Stroke | Action | |
|---|---|---|
| a | Ctrl - a | Move the cursor to the beginning of the line |
| e | Ctrl - e | Move the cursor to the end of the line |
| b | Ctrl - b or left arrow key | Move the cursor back one char |
| f | Ctrl - f or right arrow key | Move the cursor forward one char |
| p | Ctrl - p or up arrow key | Access previous command in history |
| n | Ctrl - n or down arrow key | Access next command in history |
| d | Ctrl - d | Delete Next Char in history |
| B | Backspace | Delete Previous Char in line |
| k | Ctrl - k | Cut text from cursor to end of line |
| u | Ctrl - u | Cut text from beginning of line to cursor |
| y | Ctrl - y | Yank (as same as Paste) taht was previously cut |
| l | Ctrl - l | Clear teminal screen |
| c | Ctrl - c | Interrupt current cmd |
| d | Ctrl - d | Exit IPython Session |
Jupyter Notebook
to access(read) and edit(write) the web server locally on platform of Browser, and it links to the executable program (scripts).
(to be continued...)