We provide effective and economically affordable online training courses for R and Python, click here for more details and course registration ! In this post, we list some of the most common mathematical functions in R. abs() – compute absolute value of a numerical input. sqrt() – compute square root Read more…
We provide effective and economically affordable online training courses for R and Python, click here for more details and course registration ! Similar as with() function in R, transform() function provides a way to work on data frame with simplified code inside its block. transform() is mostly used to modify Read more…
We provide effective and economically affordable training courses for R and Python, click here for more details and course registration ! Tabular data objects in R can be easily transposed with t() function. In the following example, we create a matrix of 2 rows and 3 columns, then transpose it, Read more…
We provide effective and economically affordable training courses for R and Python, click here for more details and course registration ! with() function in R provides an alternative way of carrying out several operations bypassing inputting object name repeatedly. For example, we have a data frame ‘grade’ on hand, and Read more…
We provide effective and economically affordable training courses for R and Python, click here for more details and course registration ! apply() function in R programming is used to perform a specified function, either a R base installation function or an user-written function, to the rows or columns of a Read more…
We provide effective and economically affordable training courses for R and Python, click here for more details and course registration ! R provides rich availability of using probability functions. Probability functions in R takes the form [dpqr][prob], Where [dpqr] represent which kind of variates the function works on d – Read more…
We provide effective and economically affordable training courses for R and Python, click here for more details and course registration ! When a data frame is created in R, usually parts of it will be used later. Subset of the dataset, either by row or by column, or both can Read more…
We provide effective and economically affordable training courses for R and Python, click here for more details and course registration ! R provides two functions which make combine different datasets easy and feasible. rbind() is used when two datasets have same column variables and data observations are combined and expanded, Read more…
We provide effective and economically affordable training courses for R and Python, click here for more details and course registration ! Doing statistics using R is perfect for many data analysts. Dealing with various statistical distributions and generating random numbers from some widely used distributions are mandatory for data science. Read more…
We provide effective and economically affordable training courses for R and Python, click here for more details and course registration ! sample() function in R selects random samples from a given population. The population can be all elements of a vector, observations of a data frame, etc. For example, in Read more…