Dataframe assign column names
[DOCX File]course1.winona.edu
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The command names() used above will display the column/variable names of a dataframe. The Sales variable in the BevSales dataframe is the time series { y t } and it can be plotted versus an Index (i.e. time) by using the command plot().
[DOC File]APPENDIX B - University of California, Riverside
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These lines generate a dataframe “Data” with three columns. Column 1 contains an identifier for each individual, column 2 contains the ages, and column 3 contains the simulated size at that age. # Generate data. set.seed(1) # Set seed for random number generator. Age
[DOCX File]Chesapeake Bay Program
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The summary includes the number of observations, the column names, the information reported by the Base-R function summary(), and prints the 1st 10 rows or all rows if there are fewer than 10. Note that this example shows how to set the default number of rows to 10, but allows the user to choose a …
[DOCX File]s3.wp.wsu.edu
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There is also now a blue triangle. You can click this triangle to view more information about the values in the dataframe. This shows us that the dataframe has kept the values differentiated in their data types. We have numeric data and factor data in the same dataframe. Importing your own data. R can read data in a few different formats.
[DOCX File]Table of Figures - Virginia Tech
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This array list was produced to be in the same format as the Time Point 3 information, with one user on in the first column and each of their buddies in the subsequent columns. This table was then converted into a dataframe called “table2”.
[DOC File]Furman University
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We can provide a more useful second column heading and assign it all to an object called monkeys.df by typing: monkeys.df = data.frame(species, mass = Monkeys[1:7]) Now let's say we also have data on lifespan for these species. lifespan = c(15,3,9,12,26,6,12) This can be combined with our existing dataframe by typing:
[DOC File]An introduction to S-plus - Imperial College London
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If there is no header, you can assign column names using the col.names argument. You can specify at which line of the file to begin reading, using the skip argument (useful if there is a header row, but you don't want to use it).
[DOC File]CSSS 508: Intro to R
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A variable is a word or letter that you define and assign to some value or value. The assignment operator in R is: x1 x2
[DOCX File]Chesapeake Bay Program
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The dataframe column ‘length’ is then plotted as a function of the new factor column ‘water.body.f’ using the boxplot() function. ... and the term after the ‘=’ is the data being assign to the data frame column. ... It is potentially more confusing to observe that there is not room on the x-axis for all of the month names …
[DOCX File]WordPress.com
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dataframe.scale = dataframe.scale * 1.1 # Add a 10% buffer to the extent Immediately after setting the dataframe extent and scale, I also created a query variable that used the SPA name variable. Please note: these SPA names, taken from the variable “SPA_NAME” in the table of attributes on the SPA layer, are used to name each SPA-based pdf ...
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