Editing Statistics and Statistical Programming (Winter 2017)/Problem Set: Week 7
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: '''PC1.''' Download [https://canvas.uw.edu/files/40507084/download?download_frd=1 this dataset] in Stata DTA format which contains an anonymized and reduced version of the data visualized in the Buechley and Hill paper on Lilypad. Once you have it | : '''PC1.''' Download [https://canvas.uw.edu/files/40507084/download?download_frd=1 this dataset] in Stata DTA format which contains an anonymized and reduced version of the data visualized in the Buechley and Hill paper on Lilypad. Once you have it | ||
::(a) Reproduce both Table 1 and Table 2 (just US users) using the dataset (as closely as possible). | ::(a) Reproduce both Table 1 and Table 2 (just US users) using the dataset (as closely as possible). | ||
::(b) Run a <math>\chi^2</math>-test on both tables. Compare to the paper | ::(b) Run a <math>\chi^2</math>-test on both tables. Compare to the paper. Did you reproduce it? | ||
::(c) Install the package "gmodels" and try to display the table using the function <code>CrossTable()</code>. This will give you output very similar to SPSS. | ::(c) Install the package "gmodels" and try to display the table using the function <code>CrossTable()</code>. This will give you output very similar to SPSS. | ||
::(d) It's important to be able to import tables directly into your word processor without cutting and pasting individual cells. Can you export the ''output'' of your table? There are a bunch of functions you can use to do this. I used the "xtable" package but I think that <code>write.table()</code> and Excel would do the job just as well. | ::(d) It's important to be able to import tables directly into your word processor without cutting and pasting individual cells. Can you export the ''output'' of your table? There are a bunch of functions you can use to do this. I used the "xtable" package but I think that <code>write.table()</code> and Excel would do the job just as well. |