.. Created by Adam Cunnningham on Sat May 28 2016.

**Week 4: September 19 - 23**
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Loading Numerical Data from Files
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Numerical data often needs to be loaded from a file for further processing and display. We learn how this can be done using NumPy.

Mauna Loa CO\ :sub:`2` Data
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Carbon dioxide measurements have been made daily at an observatory on the Mauna Loa volcano on Hawaii island since 1958. We obtain, load and plot `this data <ftp://aftp.cmdl.noaa.gov/products/trends/co2/co2_mm_mlo.txt>`_.

Simple Linear Regression
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The problem of finding a model which best fits a set of points arises naturally when we study the Mauna Loa CO\ :sub:`2` data. We explore what a "good fit" means and how to find one.

Jupyter Notebook
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- IPython "magics": %timeit and %%timeit

Python
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- More plotting options

NumPy
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NumPy is the standard package for numerical computing in Python. It uses a new container for numerical data - the ndarray - that supports fast and efficient computation. NumPy also defines routines for accessing and manipulating these arrays.

- Array creation
- Array operations
- Vectorization
- Multi-dimensional arrays
- Array indexing and slicing
- **loadtxt**
- **mean**

Quiz 3: Markdown and LaTeX
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- Headers
- Formatting text
- Mathematical expressions

:download:`Sample Quiz 3 <../Quizzes/Quiz3Sample.pdf>`

Report 3
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:doc:`mauna_loa`