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[DOCX File]Part 1: Functional form of mage with dplyr
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Use dplyr gather() to create a data.frame that turns our variables n, pct_earlyPNC and pct_preterm into variables where the name is in one column and the value in another. Create an ordered factor county_name_ord that’s ordered by the pct_earlyPNC variable – this factor will specify the plot order.
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[DOCX File]Charles Darwin University
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The first three columns present answers to the three questions that assess the humility of supervisors, after recoding the third item. The final column presents the average of the other columns. In subsequent analyses, researchers will often utilize this final column—the average of several items— instead of the previous columns because
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[DOCX File]University of South Carolina
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To start RStudio from an empty workspace, double-click on the blue RStudio icon on the desktop or under Programs in the Start menu. (or under Applications if you are on a Mac). St
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[DOCX File]TEMPLATES FOR PRELIMINARY PAGES - Dexter H Locke
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The odds of having irrigated in the last year vary across the examined metropolitan regions in distinct climate zones (Figure 2-2A). As expected, households in the hot, dry climates (Los Angeles and Phoenix) were significantly more likely to water their yards than their counterparts in the cooler, wetter metropolitan areas of Boston and Baltimore.
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[DOCX File]Objectives - University of Wolverhampton
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The script should already have the filename of the tweets entered, plus the name of the column in the file containing the tweets. filteredTweetsFile
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[DOCX File]Importing data .ps
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When saving such a table to a computer file, one needs a way to define when a new row or column ends and the other begins. This in turn defines the cells in which single values are stored. When creating spreadsheets with text files, like the ones created with a simple text editor, a new row is defined with return and columns are separated with ...
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[DOCX File]Combining Multiple Tables
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Combining Multiple Tables. Today we will start to look at the nycflights13 data tables. You can think of this dataset as if it was a spreadsheet with multiple spreadsheets within a workbook.
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University of Texas at Arlington
The goal of feature engineering is not only to select the most prominent features from existing variables, but it is also to create new features by using the domain knowledge and EDA. For example, each name record has a consistent format of surname, title and first name. We can extract the title and generate a bar chart as shown in Figure 73.
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[DOCX File]Topic 2: Distributions and basic descriptive statistics ...
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Topic 2: Distributions and basic descriptive statistics for quantitative variables. Jeroen Claes. Contents. How to load and view data from a CSV file
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[DOCX File]Data management with dplyr, tidyr, and reshape2
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The dplyr library does not create side-effects. That is, it always makes a copy of your original data and returns it, rather than altering the form of your original data. Consequently, you need to usually assign the outcome to a new variable. Sometimes, it is acceptable to assign it to its old name, as in the following:
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Dplyr select column name like