How to subset rows of data frame without NA using dplyr in R?

Nizamuddin Siddiqui
Published on 04-Aug-2021 12:46:44
To subset rows of data frame without NA using dplyr in R, we can follow the below steps −First of all, create a data frame.Then, use filter function of dplyr package to subset the rows with !is.na.Create the data frameLet's create a data frame as shown below −Example Live Demox<-sample(c(NA, 1, ... Read More

How to subset row values based on columns name in R data frame?

Nizamuddin Siddiqui
Published on 04-Aug-2021 12:44:03
To subset row values based on columns name in R data frame, we can follow the below steps −First of all, create a data frame.Then, create a sample of column names of size equal to number of rows in the data frame and row names in the same manner with ... Read More

How to find the point estimate using regression model in R?

Nizamuddin Siddiqui
Published on 04-Aug-2021 12:38:04
To find the point estimate using regression model in R, we can follow the below steps −First of all, create a data frame.Then, create the regression model.After that, define the value for which we want to find the point estimate and use predict function to find the estimate.Create the data ... Read More

How to find the column mean of first n number of rows in R data frame?

Nizamuddin Siddiqui
Published on 04-Aug-2021 12:33:59
To find the column mean of first n number of rows in R data frame, we can follow the below steps −First of all, create a data frame.Then, use colMeans function by reading the data frame with matrix function and nrow argument.Example1Create the data frameLet's create a data frame as ... Read More

How to replace matrix values using if else in R?

Nizamuddin Siddiqui
Published on 04-Aug-2021 12:32:08
To replace matrix values using ifelse in R, we can follow the below steps −First of all, create a matrix.Then, use ifelse function to replace the values in the matrix.Create the matrixLet’s create a matrix as shown below −Example Live DemoM<-matrix(rpois(80, 2), ncol=4) MOn executing, the above script generates the below ... Read More

How to create a Swarm Plot with Matplotlib?

Rishikesh Kumar Rishi
Published on 04-Aug-2021 12:54:22
To create a Swarm Plot with Matplotlib, we can take the following steps −Set the figure size and adjust the padding between and around the subplots.Create a Pandas dataframe, i.e., a two-dimensional, size-mutable, potentially heterogeneous tabular data.Initialize the plotter, swarmplot.To plot the boxplot, use boxplot() method.To display the figure, use ... Read More

How to display the matrix value and colormap in Matplotlib?

Rishikesh Kumar Rishi
Published on 04-Aug-2021 12:52:09
To display the matrix value and colormap in Matplotlib, we can take the following steps −Set the figure size and adjust the padding between and around the subplots.Create a figure and a set of subplots.Initialize max and min values for matrix.Plot the values of a 2D matrix or array as ... Read More

How to annotate a range of the X-axis in Matplotlib?

Rishikesh Kumar Rishi
Published on 04-Aug-2021 12:50:46
To annotate a range of the X-axis in matplotlib, we can take the following steps −Set the figure size and adjust the padding between and around the subplots.Create xx and yy data points using numpy.Create a figure and a set of subplots.Plot xx and yy data points using plot() method.Set ... Read More

How to create a scatterplot between a variable and an equation in R?

Nizamuddin Siddiqui
Published on 04-Aug-2021 12:25:07
To create a scatterplot between a variable and an equation in R, we can follow the below steps −First of all, create a vectorThen, create the equation and store it in an object.After that, use plot function to create the plot between vector and equation objectCreate the vectorLet’s create a ... Read More

How to annotate several points with one text in Matplotlib?

Rishikesh Kumar Rishi
Published on 04-Aug-2021 12:46:21
To add annotated text in Matplotlib for several points, we can take the following steps −Set the figure size and adjust the padding between and around the subplots.Create x and y data points using numpy.To set the label for each scattered point, make a list of labels.Plot xpoints, ypoints using ... Read More
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