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To create facetted plot with facets in horizontal direction using ggplot2 in R, we can follow the below steps −First of all, create a data frame.Then, create the facetted plot using facet_grid function of ggplot2 package.Use facet_grid function with reversed value of categorical column to create the facetted plot with facets in horizontal direction.Create the data frameLet's create a data frame as shown below −x
To create facetted plot with one facet displaying all data using ggplot2 in R, we can follow the below steps −First of all, create a data frame.Then, create facetted plot using facet_grid function.After that, create the facetted plot with margins argument set to TRUE to display the plot with all data.Create the data frameLet's create a data frame as shown below −x
To create two lines using ggplot2 based on a categorical column in R, we can follow the below steps −First of all, create a data frame.Then, create the line chart with categorical column read as factor inside aes of ggplot function.Create the data frameLet's create a data frame as shown below −x
To make all text size same in a plot created by using ggplot2 in R, we can follow the below steps −First of all, create a data frame.Then, create a chart using ggplot2.After that, create the same chart with theme function and change the text size using text argument.Create the data frameLet's create a data frame as shown below −x
To create stacked bar chart using ggvis, we can follow the below steps −First of all, create a data frame.Create the horizontal stacked bar chart with layer_rects function of ggvis package.Create the data frameLet's create a data frame as shown below −Group
To create density plot with manually setting the colors of categories, we can follow the below steps −Frist of all, create a data frame.Load ggplot2 package and creating the density plot for the categories.Create the density plot for the categories in the data frame by using scale_fill_manual function.Create the data frameLet's create a data frame as shown below −categories
To save a vector in R as CSV file, we can follow the below steps −First of all, create a vector.Then, use write.csv function to save the vector in CSV file.Example 1Let's create a vector as shown below −x
To print a factor vector without levels in R, we can follow the below steps −First of all, create a factor vector.Then, use as.character function to read the vector.Example 1Create a factor vectorLet’s create a vector called f1 as shown below −f1
To expand a data frame rows by its index position in R, we can follow the below steps −First of all, create a data frame.Then, use rep and seq_len function with nrow to expand the data frame rows by their index position.Create the data frameLet's create a data frame as shown below −x1
To find the row and column index for upper triangular matrix elements in R, we can follow the below steps −First of all, create a matrix.Then, use which function with upper.tri function to find the row and column index for upper triangular matrix elements.After, that attach the values corresponding to each index using cbind function.Create the matrixLet’s create a matrix as shown below −M