{"id":2000,"date":"2018-02-21T09:46:58","date_gmt":"2018-02-21T04:16:58","guid":{"rendered":"http:\/\/stepbystepschools.net\/?p=2000"},"modified":"2018-02-21T09:46:58","modified_gmt":"2018-02-21T04:16:58","slug":"data-science-training-in-mumbai-displaying-a-simple-graph-using-r","status":"publish","type":"post","link":"https:\/\/www.stepbystepschools.net\/?p=2000","title":{"rendered":"Data Science Training in Mumbai :- Displaying a Simple Graph using R."},"content":{"rendered":"

\"1\"<\/a><\/p>\n

R programming contains a multitude of library that can be used to display a visual representation of our computed data.<\/p>\n

ggplot2 is a very famous graphs package and is viewed as the most powerful graphics device R has to offer. <\/p>\n

Initial Environment Setup<\/h3>\n

But before we get into creating a program let\u2019s just first set up a proper environment for R programming.<\/p>\n

To install R programming tool go to the following link and download the software and install it.<\/p>\n

For Windows Users:<\/p>\n

https:\/\/ftp.iitm.ac.in\/cran\/<\/a><\/p>\n

\"2\"<\/a><\/p>\n

And Type and Run the following code RGui<\/p>\n

install.packages<\/span><\/font>(“ggplot2”)<\/span><\/font><\/p>\n

For Linux Users:<\/b><\/p>\n

If you are on Linux platform then you can use this fast and easy command used in Linux which can be used to install R. The yum command is used for installing like this:<\/p>\n

$ yum install R<\/p>\n

For Ubuntu Linux or other Debian-related OSs, a more direct method is:<\/p>\n

$ apt-get install r-base<\/p>\n

Now Let\u2019s Start using the RGui (64 -bit) which will be installed in the Installation folder which we had selected while installing the software.<\/p>\n

Let us now take the following example and execute in the RGui<\/p>\n

df <- data.frame (
\n group = c(“Male”, “Female”, “Child”),
\n value = c(25, 25, 50)
\n )
\n<\/span>head(df)
\n<\/span>\n<\/p>\n

Output:<\/b><\/p>\n

group value<\/span><\/p>\n

1 Male 25<\/span><\/p>\n

2 Female 25<\/span><\/p>\n

3 Child 50<\/span><\/p>\n

A DataFrame is a collection of multiple Series where Series is an immutable single dimensional array.<\/p>\n

group and value are two series inside the df dataframe.<\/p>\n

The above code declares this dataframe in the memory.<\/p>\n

Now to create a Bar plot we need to import ggplot2 library and write the following code<\/p>\n

library(ggplot2)
\n# Barplot
\n<\/span>bp<- ggplot(df, aes(x=\"\", y=value, fill=group))+
\n<\/span>geom_bar(width = 1, stat = “identity”)
\n<\/span>bp<\/span>\n<\/p>\n

X<\/b> co-ordinate in the above code will remain empty as this a flat graph with only Y<\/b> co-ordinate receiving the input value<\/p>\n

Output:<\/b><\/p>\n

\"3\"<\/a><\/p>\n

Next let\u2019s look at a simple Pie chart<\/p>\n

pie <- bp + coord_polar(\"y\", start=0)
\npie
\n<\/span>\n<\/p>\n

Output:<\/b><\/p>\n

\"4\"<\/a><\/p>\n

Syllabus of Data Science training in Mumbai<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

R programming contains a multitude of library that can be used to display a visual representation of our computed data. ggplot2 is a very famous graphs package and is viewed as the most powerful graphics device R has to offer. … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":40,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[1],"tags":[198,199,202],"yoast_head":"\nData Science Training in Mumbai :- Displaying a Simple Graph using R. - Learn MVC, Angular, Architecture, MSBI, Data Science in Mumbai<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.stepbystepschools.net\/?p=2000\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Data Science Training in Mumbai :- Displaying a Simple Graph using R. - 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