<jupyter_start><jupyter_text>Assignment 4 ![](https://github.com/rpi-techfundamentals/hm-01-starter/blob/master/notsaved.png?raw=1) Before you start working on this assignment please click File -> Save a Copy in Drive. Before you turn this problem in, make sure everything runs as expected. First, restart the kernel (in the menubar, select Kernel → Restart) and then run all cells (in the menubar, select Cell → Run All).  You can speak with others regarding the assignment but all work must be your own.  This is a 30 point assignment. Run the cells below to install a required package.<jupyter_code>files = "https://github.com/rpi-techfundamentals/introml_website_fall_2020/raw/master/files/assignment1.zip" 
!pip install otter-grader && wget $files && unzip -o assignment1.zip
#Run this. It initiates autograding. 
import otter
grader = otter.Notebook()<jupyter_output><empty_output><jupyter_text>**Spring Garden Tools Case** Please see the textbook or box share for question. Name your Pulp model `spring`<jupyter_code>#enter your answer here


#Run this cell to see if you passed the test.  If it fails, you probably didn't run the above required code. 
grader.check('q01')<jupyter_output><empty_output><jupyter_text>**Question 2.** Packages are really important compontent of most programming languages. In the overview, you learnned about tab completion as a way to explore python objects.  This can be really useful.  Let's use it to find the formula for the the factorial of 15. Assign the results to the variable `m`.<jupyter_code>#we have to first import the math function to use tab completion. 
import math  
#Assign the result to the variable m.  Press tab after the period to show available functions
m = math.
m
#Run this cell to see if you passed the test.  If it fails, you probably didn't run the above required code. 
grader.check('q02')<jupyter_output><empty_output><jupyter_text>**Question 3.** Markdown is a useful aspect of Jupyter Notebooks. - [Guide to Markdown](https://colab.research.google.com/notebooks/markdown_guide.ipynb)Use what you learned about markdown to adjust the text below to create the following:![](https://github.com/rpi-techfundamentals/hm-01-starter/blob/master/md_result.png?raw=1)**Double click on cell below to open it for markdown editing. There is no test for this question.** HeaderFor the above header, make it an h1 tag using markdown. Sub-HeaderFor the above sub-header, make it an h5 tag using markdown. BoldItalicshttps://tw.rpi.edu//images/rpi-logo-red.jpg  (Embed this image) **Question 4.**  Installing Packages Python packages are an important part of data science and critical to leveraging the broader Python ecosystem.You typically have two options when installing a package. You can install it with [Conda](http://anaconda.org) or [pip](https://pypi.org).The `!` in a jupyter notebook means that the line is being processed on the `commmand line` and not by the Python interpreter. ```!conda install -c conda-forge !pip install ```If you try to import something and get an error, it is usally a tell that you need to install a package.   Install the `fastparquet` Package to be able to work with Parquet Files- CSV (comma delimited  files are great for humans to read and understand.  - For "big data" though, it isn't a great long term storage option (inefficient/slow).- Parquet is a type columnar storage format.  It makes dealing with lots of columns fast. - [fastparquet](https://fastparquet.readthedocs.io) is a Python package for dealing with Parquet files. - Apache Spark also natively reads Parquet Files. - Look [here](https://pypi.org/project/fastparquet/) for instructions on installing the fastparquet package.<jupyter_code>#Install package for fastparquet here.   Please comment it out after installing. 

#Run this to try to load the name.parq. It won't work unless you downloaded the file and installed the package. 
from fastparquet import ParquetFile  #This imports the package. 
import pandas as pd  #pandas is usually imported as pd
pf = ParquetFile('./data/Demographic_Statistics_By_Zip_Code.parq')
dfparq = pf.to_pandas()   #This changes the Parquet File object to a pandas dataframe. We will learn more about that later. 
dfparq.head()  #Just listing the value prints it out.<jupyter_output><empty_output><jupyter_text>Show All Columns in a Pandas DataframeNotice there is a `...` which indicates you are only seeing some of the columns, and the output has been truncated. Read [this article](https://towardsdatascience.com/how-to-show-all-columns-rows-of-a-pandas-dataframe-c49d4507fcf) and find how to show all the columns of a pandas dataframe.<jupyter_code>#Set the display options to show all columns. 
 
#This will print out the notebook. 
dfparq.head() 
#View the dataframe and set the following values to the numbers you see for row 0. Don't put in quotes.  
#COUNT PARTICIPANTS
row_0_count_participants=    #enter what you see above.
row_0_count_hispanic_latino=  #enter what you see above. 
#Run this cell to see if you passed the test.  
grader.check('q04')<jupyter_output><empty_output><jupyter_text>**Question 5.**  Importing CSV into a Pandas Dataframe- Comma delimited files are a common way of transmitting data. - Data for different columns is separated by a comma.- It is possible to open a csv in different ways, but Pandas is the easiest.  - Data structured like CSV's are extremely common and known as tabular data.- Pandas will give access to many useful methods for working with data.  - `pandas` is often imported as the abbreviated `pd`.- You can also get help by using a `?` after the method call. For example, to find the doc string for the read csv function you could execute:`pd.read_csv?`  or `help(pd.read_csv)`<jupyter_code># Adjust the code below so that you load only the first 100 rows of a dataframe and assign to df_smalle
df_small=
df_small.shape<jupyter_output><empty_output><jupyter_text>Get CSVs from the Web/Github.  You can also get a CSV directly from a web url. View this file in your web browser. You won't be able to load this into pandas. [https://github.com/rpi-techfundamentals/introml_website_fall_2020/blob/master/files/webfile.csv](https://github.com/rpi-techfundamentals/introml_website_fall_2020/blob/master/files/webfile.csv)To get the link you can load, you need to click on the `raw` button. That should lead to this url:`https://raw.githubusercontent.com/rpi-techfundamentals/introml_website_fall_2020/master/files/webfile.csv`<jupyter_code># Load the web url and set it equal to df_web
df_web = 
df_web.head()
#Run this cell to see if you passed the test.  
grader.check('q05')<jupyter_output><empty_output>
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