cellchat warning2

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> cellchat <- netClustering(cellchat, type = "functional")
Classification learning of the signaling networks for datasets 1 2 
UNRELIABLE VALUE: Future (��future_sapply-1��) unexpectedly generated random numbers without specifying argument 'seed'. There is a risk that those random numbers are not statistically sound and the overall results might be invalid. To fix this, specify 'seed=TRUE'. This ensures that proper, parallel-safe random numbers are produced via the L'Ecuyer-CMRG method. To disable this check, use 'seed=NULL', or set option 'future.rng.onMisuse' to "ignore".UNRELIABLE VALUE: Future (��future_sapply-2��) unexpectedly generated random numbers without specifying argument 'seed'. There is a risk that those random numbers are not statistically sound and the overall results might be invalid. To fix this, specify 'seed=TRUE'. This ensures that proper, parallel-safe random numbers are produced via the L'Ecuyer-CMRG method. To disable this check, use 'seed=NULL', or set option 'future.rng.onMisuse' to "ignore".UNRELIABLE VALUE: Future (��future_sapply-3��) unexpectedly generated random numbers without specifying argument 'seed'. There is a risk that those random numbers are not statistically sound and the overall results might be invalid. To fix this, specify 'seed=TRUE'. This ensures that proper, parallel-safe random numbers are produced via the L'Ecuyer-CMRG method. To disable this check, use 'seed=NULL', or set option 'future.rng.onMisuse' to "ignore".UNRELIABLE VALUE: Future (��future_sapply-4��) unexpectedly generated random numbers without specifying argument 'seed'. There is a risk that those random numbers are not statistically sound and the overall results might be invalid. To fix this, specify 'seed=TRUE'. This ensures that proper, parallel-safe random numbers are produced via the L'Ecuyer-CMRG method. To disable this check, use 'seed=NULL', or set option 'future.rng.onMisuse' to "ignore".all eigenvalues are requested, eigen() is used insteadall eigenvalues are requested, eigen() is used instead
> # Visualization in 2D-space
> netVisual_embeddingPairwise(cellchat, type = "functional", label.size = 3.5)
2D visualization of signaling networks from datasets 1 2 
Using alpha for a discrete variable is not advised.