by Suf | Sep 16, 2024 | Programming, R, Tips
When working with statistical functions in R, you may encounter the following error when using the cov.wt() function: Error in cov.wt(z) : ‘x’ must contain finite values only This error occurs when the input data contains missing, infinite, or non-numeric...
by Suf | Sep 14, 2024 | Programming, R, Tips
R is a powerful tool for data analysis and visualization, but it can sometimes throw cryptic errors. One such common error encountered when using the ggplot2 package is: Error: ggplot2 doesn’t know how to deal with data of class uneval In this blog post, we’ll...
by Suf | Sep 14, 2024 | Programming, R, Tips
When working with ggplot2 in R, you may encounter the error ‘ggplot2 doesn’t know how to deal with data of class character’. This error typically occurs when trying to pass character data to a function that expects a different data type, such as...
by Suf | Jul 17, 2023 | Programming, R, Tips
When working with plots in R, you can face the error: Error in plot.new() figure margins too large. This error occurs when there is not enough space for the plot due to the size of the margins compared to the plotting window. Fortunately, there are straightforward...
by Suf | Oct 31, 2022 | Programming, R, Tips
This warning occurs when you use the dcast function to convert a data frame from long to wide format, but more than one value can be placed in the individual output cells of the wide data frame. You can stop this warning from occurring by specifying the aggregate...
by Suf | Oct 15, 2022 | Finance, Programming, R, Tips
Implied volatility tells us the expected volatility of a stock over an option’s lifetime. Implied volatility is directly influenced by the supply and demand of the options and the market’s expectation of the direction of the price of the underlying...
