## ----warning=FALSE, message=FALSE---------------------------------------------
library(SPONGE)

## ----eval=FALSE---------------------------------------------------------------
# head(gene_expr)

## ----echo=FALSE, results='asis'-----------------------------------------------
knitr::kable(gene_expr[1:5,1:8])

## ----eval=FALSE---------------------------------------------------------------
# head(mir_expr)

## ----echo=FALSE, results='asis'-----------------------------------------------
knitr::kable(mir_expr[1:5,1:5])

## ----eval = FALSE-------------------------------------------------------------
# head(targetscan_symbol)

## ----echo=FALSE, results='asis'-----------------------------------------------
knitr::kable(targetscan_symbol[1:5,1:5])

## ----warning=FALSE,message=FALSE----------------------------------------------
genes_miRNA_candidates <- sponge_gene_miRNA_interaction_filter(
gene_expr = gene_expr,
mir_expr = mir_expr,
mir_predicted_targets = targetscan_symbol)

## -----------------------------------------------------------------------------
genes_miRNA_candidates[1:2]

## ----message=FALSE, warning=FALSE---------------------------------------------
ceRNA_interactions <- sponge(gene_expr = gene_expr,
                        mir_expr = mir_expr,
                        mir_interactions = genes_miRNA_candidates)

## ----eval=FALSE---------------------------------------------------------------
# head(ceRNA_interactions)

## ----echo=FALSE, results='asis'-----------------------------------------------
knitr::kable(head(ceRNA_interactions))

## ----message=FALSE, warning=FALSE---------------------------------------------
mscor_null_model <- sponge_build_null_model(number_of_datasets = 100, number_of_samples = nrow(gene_expr))

## ----fig.width = 12, fig.height = 7-------------------------------------------
sponge_plot_simulation_results(mscor_null_model)

## ----message=FALSE, error=FALSE-----------------------------------------------
ceRNA_interactions_sign <- sponge_compute_p_values(sponge_result = ceRNA_interactions, 
                                                   null_model = mscor_null_model)

## ----eval=FALSE---------------------------------------------------------------
# head(ceRNA_interactions_sign)

## ----echo=FALSE, results='asis'-----------------------------------------------
knitr::kable(head(ceRNA_interactions_sign))

## -----------------------------------------------------------------------------
ceRNA_interactions_fdr <- ceRNA_interactions_sign[which(ceRNA_interactions_sign$p.adj < 0.2),]

## ----echo=FALSE, results='asis'-----------------------------------------------
knitr::kable(head(ceRNA_interactions_fdr))

## -----------------------------------------------------------------------------
sponge_plot_network(ceRNA_interactions_fdr, genes_miRNA_candidates)

## -----------------------------------------------------------------------------
network_centralities <- sponge_node_centralities(ceRNA_interactions_fdr)


## -----------------------------------------------------------------------------
ceRNA_interactions_fdr_weight <- ceRNA_interactions_fdr
ceRNA_interactions_fdr_weight$weight <- -log10(ceRNA_interactions_fdr$p.adj)
weighted_network_centralities <- sponge_node_centralities(ceRNA_interactions_fdr)

## ----fig.height = 7, fig.width = 7, warning=FALSE,message=FALSE,error=FALSE----
sponge_plot_network_centralities(weighted_network_centralities, top = 1)

## ----fig.height = 7, fig.width = 7, warning=FALSE,message=FALSE,error=FALSE----
sponge_plot_network_centralities(weighted_network_centralities, measure = "btw", top = 1)

## ----eval=FALSE---------------------------------------------------------------
# library(doParallel)
# library(foreach)
# 
# num.of.cores <- 2 #many more on a compute cluster
# 
# #if you want to use logging
# #logging.file <- "where_my_log_file_should_go.log"
# logging.file <- NULL
# 
# cl <- makeCluster(num.of.cores, outfile=logging.file)
# registerDoParallel(cl)
# 
# genes_miRNA_candidates <- sponge_gene_miRNA_interaction_filter(
# gene_expr = gene_expr,
# mir_expr = mir_expr,
# mir_predicted_targets = targetscan_symbol)
# 
# ceRNA_interactions <- sponge(
# gene_expr = gene_expr,
# mir_expr = mir_expr,
# mir_interactions = genes_miRNA_candidates)
# 
# stopCluster(cl)
# 

## ----eval = FALSE-------------------------------------------------------------
# library("BiocParallel")
# register(DoparParam(), default = TRUE)

## ----eval = FALSE-------------------------------------------------------------
# library(clustermq)
# register_dopar_cmq(n_jobs=2)

## ----message=FALSE, warning=FALSE, error=FALSE--------------------------------
more_covariance_matrices <- sample_zero_mscor_cov(m = 1, 
                      number_of_solutions = 10,
                      gene_gene_correlation = 0.5)

## ----message=FALSE, warning=FALSE, error=FALSE, fig.width = 7, fig.height = 7----
mscor_coefficients <- sample_zero_mscor_data(cov_matrices = more_covariance_matrices,
number_of_samples = 200, number_of_datasets = 100)

hist(unlist(mscor_coefficients), main = "Random distribution of mscor coefficients")