[R] Conduct Network Analysis

Greeting. Dear Mr/Mrs/Miss, I want to create a network by using R but I only have a table that contain OTU ID and the abundance value of two samples ONLY. Isn't possible? If can, which package can be used? Greatly appreciated to any suggestions and helps. Thank you. Best regards, Kang Chin Yi

[R] Question about correlation

Greeting. Dear Mr/Mrs/Miss, OTU ID Health Disease Bacterial 1 0.29 0.34 Bacterial 2 0.25 0.07 Bacterial 3 0.06 0.06 Bacterial 4 0.07 0.09 Bacterial 5 0.02 0.05 Above show the first 6 data sets, may I ask that the reason of R show the error like "Error in cor(data) : 'x' must be numeric" ? And