Extrapolating the data in Excel

[Fareeha1525]

I am working on time-series data and I have encountered some missing values at the beginning of the data. I wanted to know the method to extrapolate values in Excel. Thank you

[#2]

@Fareeha1525 , it could be TREND() https://support.office.com/en-gb/article/trend-function-e2f135f0-8827-4096-9873-9a7cf7b51ef1