by Suf | Jul 21, 2022 | Programming, R, Tips
This error occurs if you try to perform a mathematic operation on a character vector. You can solve this error by converting the characters to numeric values using the as.numeric() function. For example, x <- c(“2”, “3”, “4”,...
by Suf | Jul 20, 2022 | Programming, R, Tips
This error occurs when you try to fit a regression model and one or more of the predictor variables are either factor or character and have only one unique value. You can solve this error by using the lapply() function to display each of the unique values for each...
by Suf | Jul 20, 2022 | Programming, R, Tips
This error occurs when you try to convert a number to a date without providing an origin date. You can solve this error by providing a date as an origin argument to the as.Date function. For example, as.Date(34291, origin = “1900-01-01″) This tutorial will...
by Suf | Jul 19, 2022 | Programming, Python, Tips
This error occurs when you try to call uppercase() on a string to convert the characters to uppercase. You can solve the error by calling the string method upper() to convert the string to uppercase. For example, my_str = ‘python is fun’ my_str_upper =...
by Suf | Jul 19, 2022 | Programming, Python, Tips
This error occurs if you try to call randint() method on an integer. You can solve this error by not naming an object random, which will override the reserved name for the built-in module random. For example, import random my_int = 10 random_int = random.randint(1,10)...
by Suf | Jul 18, 2022 | Programming, Python, Tips
This error occurs when you try to call the remove() method on a string to remove one or more characters. You can solve the error by calling the replace() method on the string or by calling the remove() method on a string. For example, my_str = ‘fruits’...
