r:getting_started
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r:getting_started [2016/09/07 18:40] – [Getting help from functions] hkimscil | r:getting_started [2021/03/02 09:48] (current) – [A trial] hkimscil | ||
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| Suse | R-base | | Suse | R-base | ||
Use the system’s package manager to download and install the package. Normally, you will need the root password or sudo privileges; otherwise, ask a system administrator to perform the installation. | Use the system’s package manager to download and install the package. Normally, you will need the root password or sudo privileges; otherwise, ask a system administrator to perform the installation. | ||
+ | ====== Rstudio ====== | ||
+ | [[https:// | ||
+ | [[https:// | ||
====== Starting R ====== | ====== Starting R ====== | ||
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__Linux or Unix__ | __Linux or Unix__ | ||
* Start the R program from the shell prompt using the R command (uppercase R). | * Start the R program from the shell prompt using the R command (uppercase R). | ||
+ | ====== A trial ====== | ||
+ | < | ||
+ | library(NRAIA) | ||
+ | detach(package: | ||
+ | </ | ||
+ | < | ||
+ | summary(trees) | ||
+ | boxplot(trees) | ||
+ | pair(trees) | ||
+ | </ | ||
+ | < | ||
+ | plot(dist~speed, | ||
+ | m.cars <- lm(dist ~ speed, data=cars) | ||
+ | m.cars | ||
+ | summary(m.cars) | ||
+ | </ | ||
+ | |||
+ | < | ||
+ | summary(chickwts) | ||
+ | boxplot(weight~feed, | ||
+ | anova(lm(weight~feed, | ||
+ | m.chck <- aov(weight~feed, | ||
+ | m.chck | ||
+ | summary(m.chck) | ||
+ | </ | ||
+ | ---- | ||
+ | [[:t-test]] | ||
+ | [[:ANOVA]] | ||
+ | [[: | ||
+ | [[: | ||
+ | [[: | ||
+ | [[:Multiple regression]] | ||
+ | ---- | ||
====== Entering commands ====== | ====== Entering commands ====== | ||
< | < | ||
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[1] 8.75 5.50 | [1] 8.75 5.50 | ||
</ | </ | ||
+ | |||
+ | see [[https:// | ||
< | < | ||
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7.42 167.60 66.20 20.16 | 7.42 167.60 66.20 20.16 | ||
</ | </ | ||
+ | see [[https:// | ||
+ | |||
+ | ====== Searching via Keywords ====== | ||
+ | < | ||
+ | * A typical pattern is a function name or keyword. | ||
+ | * Notice that it must be enclosed in quotation marks. | ||
+ | |||
+ | < | ||
+ | |||
+ | < | ||
+ | |||
+ | ====== Getting help on a package ====== | ||
+ | < | ||
+ | |||
+ | < | ||
+ | |||
+ | < | ||
+ | Error: could not find function " | ||
+ | </ | ||
+ | |||
+ | < | ||
+ | Installing package into ‘D:/ | ||
+ | (as ‘lib’ is unspecified) | ||
+ | --- Please select a CRAN mirror for use in this session --- | ||
+ | trying URL ' | ||
+ | Content type ' | ||
+ | downloaded 313 KB | ||
+ | |||
+ | package ‘tseries’ successfully unpacked and MD5 sums checked | ||
+ | |||
+ | The downloaded binary packages are in | ||
+ | C: | ||
+ | > help(package=" | ||
+ | > | ||
+ | </ | ||
+ | |||
+ | {{help.package.jpg}} | ||
+ | |||
+ | ====== Searching the Web for help ====== | ||
+ | < | ||
+ | |||
+ | ====== Finding Relevant Functions and Packages ====== | ||
+ | * Visit the list of task views at http:// | ||
+ | * Visit [[http:// | ||
+ | * To find relevant functions, visit http:// | ||
+ | |||
+ | |||
+ |
r/getting_started.1473243018.txt.gz · Last modified: 2016/09/07 18:40 by hkimscil