[R] Weighted Quantile Regression as a function of Tau and Weights array

[Preetam Pal]

I have a dataset (attached) on numeric variables y, gdp, hpa and fx. I
intend to perform weighted quantile regression on this data set (i.e. y on
the remaining variables) and extract the estimated coefficients. I want to
do this as a bivariate function of the quantile tau and the weights array.
Can you help me with how to write the function and also how to invoke it?
This might be very basic, but I have very limited exposure to coding, hence
any help would be really appreciated.
Regards,
Preetam

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