by Suf | May 8, 2022 | Programming, R, Tips
Table of Contents Table of contents Example #1: Multiline ggplot2 command Example #2: Sorting Data Frame String Column Descending Order Summary This error commonly occurs when the is an unexpected use of a unary operator (+, -, !) This error can occur if you provide...
by Suf | May 7, 2022 | Programming, R, Tips
This error occurs if you do not provide a vector or a matrix to the barplot() function. You can solve this error by ensuring the values you want to plot are in a vector or a matrix. Alternatively, you can use ggplot2 geom_bar() instead of barplot This tutorial will go...
by Suf | May 7, 2022 | Programming, R, Tips
This error occurs when you try to convert numeric values to Date type using the as.Date() function but do not pass an origin argument to the function. You can specify an origin, for example: df$date <- as.Date(df$date, origin=’1999-12-31′) This tutorial...
by Suf | May 7, 2022 | Programming, R, Tips
This error occurs if you try to convert the elements of a list to numeric without converting the list to a vector using unlist(). You can solve this error by using the unlist() function before calling the numeric() function, for example, num <-...
by Suf | May 7, 2022 | Programming, R, Tips
This error occurs when you attempt to subscript a data frame that contains NA values. You can solve this error by excluding the NA values during the subscript operation, for example: data[data$col1<0 & !is.na(data$col1),]$col2 This tutorial will go through the...
by Suf | May 7, 2022 | Programming, R, Tips
This error occurs you try to set limits on the y-axis using scale_y_continuous() and the y variable is not numeric. This error can happen if you use character or factor type for the y variable in your data. You can solve this error by using numeric values instead of...
