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Articles by Nizamuddin Siddiqui
Page 34 of 196
How to create stacked bar chart using ggvis in R?
To create stacked bar chart using ggvis, we can follow the below steps −First of all, create a data frame.Create the stacked bar chart with layer_bars function of ggvis package.Create the data frameLet's create a data frame as shown below −Group
Read MoreHow to create scatterplot for categories with grey color palette using ggplot2 in R?
To create scatterplot for categories with grey color palette using ggplot2, we can follow the below steps −First of all, create a data frame.Then, create the scatterplot for categories with default color of points.Create the scatterplot for categories with color of points in grey palette.Create the data frameLet's create a data frame as shown below −x
Read MoreHow to create boxplot for categories with grey color palette using ggplot2 in R?
To create boxplot for categories with grey color palette using ggplot2, we can follow the below steps −First of all, create a data frame.Then, create the boxplot for categories with default color of bars.Create the boxplot for categories with color of bars in grey palette.Create the data frameLet's create a data frame as shown below −Group
Read MoreHow to subset a named vector based on names in R?
To subset a named vector based on names, we can follow the below steps −Create a named vector.Subset the vector using grepl.Create the named vectorLet’s create a name vector as shown below −V
Read MoreHow to set the number of digits to be printed for summary command without using options(digits) in R?
To set the nuber of digits to be printed for summary command without using options(digits), we can use digits argument while printing the summary. −Example 1Using mtcars data and finding the summary statistics with number of digits set to 2 −summary(mtcars, digits=2)On executing, the above script generates the below output(this output will vary on your system due to randomization) −Output mpg cyl disp hp drat Min. :10 Min. :4.0 Min. : 71 Min. ...
Read MoreHow to check if a column is categorical in R data frame?
To check if a column is categorical in R data frame, we can follow the below steps −First of all, create a data frame.Use class function to check the class of the column.Create the data frameLet's create a data frame as shown below −x
Read MoreHow to find the common elements in multiple vectors in R?
To find the common elements in multiple vectors, we can follow the below steps −First of all, create a number of vectors.Use intersect function to find the common elements in all the vectors.Create the vectorsLet’s create a number of vectors as shown below −x
Read MoreHow to find the unique elements in multiple vectors in R?
To find the unique elements in multiple vectors, we can follow the below steps −First of all, create a number of vectors.Use setdiff function to find the common elements in all the vectors.Create the vectorsLet’s create a number of vectors as shown below −x
Read MoreHow to find the starting position for consecutive values given the length of consecutive values in an R vector?
To find the starting position for consecutive values given the length of consecutive values in an R vector, we can follow the below steps −First of all, create a vector with duplicated values.Find the run length.Create a vector with FALSE of vector size.Find the starting position by setting running length of consecutive values to TRUE for given length.Create the vectorLet’s create a vector having many duplciates so that we can get same consecutive values −x
Read MoreHow to apply different function to grouping values in an R data frame?
To apply different function to grouping values in an R data frame, we can follow the below steps −First of all, create a data frame.Then, use ifelse function to apply different function to grouping values.Create the data frameLet's create a data frame as shown below −x
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