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Nizamuddin Siddiqui has Published 2307 Articles

Nizamuddin Siddiqui
136 Views
To divide matrix row values by row maximum in R, we can follow the below steps −First of all, create a matrix.Then, use apply function to divide the matrix row values by row maximum.Create the matrixLet’s create a matrix as shown below − Live DemoM

Nizamuddin Siddiqui
385 Views
To expand a matrix rows by its index position in R, we can follow the below steps −First of all, create a matrix.Then, use rep and seq_len function with nrow to expand the matrix rows by their index position.Create the matrixLet’s create a matrix as shown below − Live DemoMRead More

Nizamuddin Siddiqui
388 Views
To create a boxplot using ggplot2 with aes_string in R, we can follow the below steps −First of all, create a data frame with one string and one numerical column.Then, use aes_string function of ggplot2 package to create the boxplot.Create the data frameLet's create a data frame as shown below ... Read More

Nizamuddin Siddiqui
692 Views
To create a bar chart for single vector using ggplot2 in R, we can follow the below steps −First of all, create a vector and melt it using melt function of reshape2 package and save the melted data.Then, create the bar chart with melted data using ggplot2.Create the vector and ... Read More

Nizamuddin Siddiqui
1K+ Views
To save column means into a data frame in R, we can follow the below steps −First of all, create a data frame.Then, find column means using colMeans function and save it in an object.After that, use as.data.frame function to save the columns means into a data frame.Create the data ... Read More

Nizamuddin Siddiqui
242 Views
To find the row that has maximum number of duplicates in an R matrix, we can follow the below steps −First of all, create a matrix.Then, convert matrix into data.table then use order function with head function to find the row that has maximum number of duplicates.Create the matrixLet’s create ... Read More

Nizamuddin Siddiqui
182 Views
To create a scatterplot in base R with points depending on categorical column, we can follow the below steps −First of all, create a data frame.Then, use plot function to create the scatterplot with col argument and using categorical column with factor function.Create the data frameLet's create a data frame ... Read More

Nizamuddin Siddiqui
401 Views
To create two horizontal lines with different color after a threshold in R, we can follow the below steps −First of all, create a plot in base R.Then, add a line to the plot using abline function.After that, use segments function to partially change the color of the line.Create the ... Read More

Nizamuddin Siddiqui
892 Views
To limit the length of regression line using ggplot2 in R, we can follow the below steps −First of all, create a data frame.Then, create the scatterplot using ggplot2 with regression line.After that, create the scatterplot with regression and add xlim function.Create the data frameLet's create a data frame as ... Read More

Nizamuddin Siddiqui
4K+ Views
To add regression residuals to data frame in R, we can follow the below steps −First of all, create a data frame.Then, use lm function to create the regression model and find the residuals using resid function and adding them to the data frame with $ operator.Create the data frameLet's ... Read More