Editing Statistics and Statistical Programming (Winter 2017)/Problem Set: Week 3
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:'''PC0.''' Check the [https://wiki.communitydata.cc/Statistics_and_Statistical_Programming_(Winter_2017)/List_of_student_git_repositories list of GitHub repositories page] here. A few of you (Maggie, Luyue, and Janny) named yours something like "week_02." Although there's no problem with this, it might cause confusion going forward when you add homework for future week (like this week) that are not longer week 2. So ''if you're Maggie, Janny, and Luyue,'' I recommend that you create and push a new repository/directory with a more generic name which you can use for all your future assignments. For everybody else, please copy your files and work for this (and all future) problem sets into the same repository you used last time. | :'''PC0.''' Check the [https://wiki.communitydata.cc/Statistics_and_Statistical_Programming_(Winter_2017)/List_of_student_git_repositories list of GitHub repositories page] here. A few of you (Maggie, Luyue, and Janny) named yours something like "week_02." Although there's no problem with this, it might cause confusion going forward when you add homework for future week (like this week) that are not longer week 2. So ''if you're Maggie, Janny, and Luyue,'' I recommend that you create and push a new repository/directory with a more generic name which you can use for all your future assignments. For everybody else, please copy your files and work for this (and all future) problem sets into the same repository you used last time. | ||
:'''PC1.''' In the [https://github.com/makoshark/uwcom521-assignments/ class assignments GitHub repository] (uwcom521-assignments), I've uploaded a new dataset for each person in the class in the subdirectory <code>week_03</code>. Sync my repository, find your file, copy into your homework directory which is managed by Git. Commit your dataset file into your personal homework git repository. | :'''PC1.''' In the [https://github.com/makoshark/uwcom521-assignments/ class assignments GitHub repository] (uwcom521-assignments), I've uploaded a new dataset for each person in the class in the subdirectory <code>week_03</code>. Sync my repository, find your file, copy into your homework directory which is managed by Git. Commit your dataset file into your personal homework git repository. | ||
:'''PC2.''' Open the dataset in a spreadsheet (Google Docs, Excel, etc) to take a look at it. It's often a good idea to open it in NotePad as well so you can look at the structure of the "raw data." If you want to generate statistics or visualize things, that | :'''PC2.''' Open the dataset in a spreadsheet (Google Docs, Excel, etc) to take a look at it. It's often a good idea to open it in NotePad as well so you can look at the structure of the "raw data." If you want to generate statistics or visualize things, that might be OK. Manually inspecting the raw data is often a useful step. | ||
:'''PC3.''' Load the CSV file into R. Also make sure that you loaded the week 2 dataset file. | :'''PC3.''' Load the CSV file into R. Also make sure that you loaded the week 2 dataset file. | ||
:'''PC4.''' Get to know your data! Do whatever is necessary to summarize the new dataset. Now many columns and rows are there? What are the appropriate summary statistics to report for each variable? What are the ranges, minimums, maximums, means, medians, standard deviations of the variables of variables? Draw histograms for all of the variables to get a sense of what it looks like. Save code to do all of these things. | :'''PC4.''' Get to know your data! Do whatever is necessary to summarize the new dataset. Now many columns and rows are there? What are the appropriate summary statistics to report for each variable? What are the ranges, minimums, maximums, means, medians, standard deviations of the variables of variables? Draw histograms for all of the variables to get a sense of what it looks like. Save code to do all of these things. |