r – Transform panel data of static values ​​to panel dataset of changes from previous period for several variables

I have a panel dataset that looks something like: df <- data.frame(id = c(1:10), income_3 = c(2:11), income_4 = c(3:8, NA, 10:12), income_5 = c(4:13), health_3 = c(NA, 6:14), health_4 = c(7:10, NA, 11:15), health_5 = c(9:18)) id income_3 income_4 income_5 health_3 health_4 health_5 1 2 3 4 NA 7 9 2 3 4 5 … Read more

javascript – Why my app crashing after setting weights lower than previous? `const sum = weightGrades.reduce((acc, item) => acc + item.grade, 0);`

I have my app live on vercel. When I change weights to lower than previous (zmień wagi button), it shows TypeError: Cannot read properties of undefined (reading ‘reduce’). How to fix it? I’v pasted here all code nesesary to fix it. Main problem shows at const sum = weightGrades.reduce((acc, item) => acc + item.grade, 0); … Read more

Pine script Array unable to delete previous label and text is displaying on top of each other, script plots text on break of bollinger

//@version=5enter code here`indicator(“Clean”, overlay=true) enter code hereshowlast = input(defval=false, title=”Show only Last Label”) enter code hereshowsignals = input.string(defval=”Full”, title=”Show Signal Names”, enter code hereoptions=[‘Full’, ‘Length’]) enter code herelen3= input.int(50, minval=1, title=”Ma Length 1″) enter code herelen4= input.int(100, minval=1, title=”Ma Length 2″) enter code herelen5= input.int(200, minval=1, title=”Ma Length 3″) enter code herelen6= input.int(200, minval=1, title=”Ma … Read more