Hi Ahmed, thanks for reaching out! You should make sure you have the necessary packages installed for this lesson, which are: reshape2 plyr You can use install.packages("NameofPackage") directly in your console to install the required packages. Also, you only need to do this once, after that the packages should be installed and ready to use and you can access them with the following line in your script: library("NameofLibrary") Best, 365 Eli

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Last answered:

31 Jan 2022

Posted on:

28 Jan 2022

Error in melt(spx_ftse_00_10, id = "Date") : could not find function "melt"

in The Complete Data Visualization Course with Python, R, Tableau, and Excel / Line Chart - R - How to Create a Line Chart

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Elitsa Kaloyanova

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Posted on:

31 Jan 2022

Error in melt(spx_ftse_00_10, id = "Date") : could not find function "melt"

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