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Articles by Nizamuddin Siddiqui
Page 56 of 196
How to delete lines after creating a line chart with points in base R?
To delete lines after creating a line chart with points in base R we would need to create the points chart only, therefore, we can follow the below steps −First of all, create two vectors and create the line chart with points.Now, again create the line chart but without pointsCreate the vectors and line chart with pointsUse plot and lines function to create the line chart with points as shown below − Live Demox
Read MoreHow to create facetted scatterplot with scale of X-axis based on the numerical values corresponding to grouping column in R?
To create facetted scatterplot with scale of X-axis based on the numerical values corresponding to grouping column in R, we can follow the below steps −First of all, create a data frame having at least one grouping column and two numerical columns.Create the facetted scatterplot based on the grouping column.Create the facetted scatterplot based on grouping column with X-axis scale based on corresponding values in numerical columns.Create the data frameLet's create a data frame as shown below − Live Demox
Read MoreHow to create NA column for a contingency table in R?
To create NA column for a contingency table in R, we can follow the below steps −First of all, create a data frame with two columns having some NA values.Create a contingency table for two columns.Create the same table using useNA.Create the data frameLet's create a data frame as shown below − Live Demox
Read MoreHow to find the confusion matrix for linear discriminant analysis in R?
To find the confusion matrix for linear discriminant analysis in R, we can follow the below steps −First of all, create a data frame.Create new features using linear discriminant analysis.Find the confusion matrix for linear discriminant analysis using table and predict function.Create the data frameLet's create a data frame as shown below − Live DemoGroup
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 − Live Demox
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 − Live Demox
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 − Live Demox
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 − Live Demox
Read MoreHow to add a column to data.table object in R?
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
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 − Live Demox
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