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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 − Live Demox
To add a column to data.table object, we can follow the below steps −First of all, create a data.table object.Add a column to the object using := functionCreate the data.table objectLet’s create a data.table object as shown below −library(data.table) x
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 − Live Demox
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 − Live Demosummary(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 More
To find the number of rows in a data.table where two or more column values meet a criteria, we can follow the below steps −First of all, create a data.table object.Find the number of rows meeting a criteria.Create data.table objectLet’s create a data.table object as shown below −x
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 − Live DemoV
To find the number of unique values of multiple categorical columns based on one categorical column, we can follow the below steps −First of all, create a data frameUse summarise_each function with n_distinct function to find the number of unique values based on a categorical column.Create the data frameLet's create a data frame as shown below − Live Demox
To check which element of a list which is a logical list is TRUE, we can follow the below steps −First of all, create a list with logical values.Use which function with unlist function to find the position of TRUE elements.Create the listLet’s create a list as shown below −List
To display two equal signs using ggplot2, we can follow the below steps −First of all, create a data frame.Create a scatterplot(you can create any other plot).Display two equal signs using annotate functionCreate the data frameLet's create a data frame as shown below − Live Demox
Valuation is the process of finding the present value of a business. It can be done in many ways but some factors are needed for valuation, such as the probable future earnings, management structure of the business, the market capitalization of the company’s assets, and its capital budgeting structure composition.Valuation is also done to find out the fair value of a security which a buyer will pay the seller. Intrinsic valuation tells the analysts the investors in the share market whether a stock is under or overvalued and depending on this the future value of the stock is determined.Note − ... Read More