        I have a question.I have wall-eye fish survey data of American Erie lake from 1989 to 2010.Every year,the survey sites were random selected and had different number.I want to predict wall-eye catch-weight using different Spatio-temporal models,but I find krigeST function of R program can only predict STFDF(Spatial-Temporal Full Data Frame).Is there other methods I can use to finish my work in R platform?

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