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3_Descriptive_analysis.R
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3_Descriptive_analysis.R
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########################################################################################################################
## GOSSIP IN HUNGARIAN FIRMS
## Descriptive analysis (3)
## R script written by Jose Luis Estevez (Masaryk University)
## Date: February 27th 2021
########################################################################################################################
# R PACKAGES REQUIRED
library(sna);library(igraph);library(ggpubr)
# DATA LOADING
rm(list=ls())
load('tidieddata2.RData')
########################################################################################################################
# BASIC DESCRIPTIVE STATS OF THE SAMPLE
# Number of nodes per unit
summary(attributes$group)
# Women per unit
for(i in organisation_ID){
print(sum(attributes[attributes$group == i,]$woman == 1,na.rm=TRUE))
}
# Managers per unit
for(i in organisation_ID){
print(sum(attributes[attributes$group == i,]$hr_leader == 1,na.rm=TRUE))
}
# Managers per unit
for(i in organisation_ID){
print(sum(attributes[attributes$group == i & attributes$woman == 1,]$hr_leader == 1,na.rm=TRUE))
}
# Age
for(i in organisation_ID){
print(mean(2018 - attributes[attributes$group == i,]$birth_year,na.rm=TRUE))
print(min(2018 - attributes[attributes$group == i,]$birth_year,na.rm=TRUE))
print(max(2018 - attributes[attributes$group == i,]$birth_year,na.rm=TRUE))
}
# Tenure
attributes$tenure_year <- as.numeric(substr(attributes$hr_work_start,1,4))
attributes$tenure_month <- as.numeric(substr(attributes$hr_work_start,6,7))
attributes$tenure_day <- as.numeric(substr(attributes$hr_work_start,9,10))
attributes$tenure <- round(2018 - attributes$tenure_year - attributes$tenure_month/12 - attributes$tenure_day/30,1)
for(i in organisation_ID){
print(mean(attributes[attributes$group == i,]$tenure,na.rm=TRUE))
print(min(attributes[attributes$group == i,]$tenure,na.rm=TRUE))
print(max(attributes[attributes$group == i,]$tenure,na.rm=TRUE))
}
########################################################################################################################
# 1) DESCRIPTIVE STATS (POSITIVE & NEGATIVE TIES)
# Object to store summary statistics
pos_mtx_sum <- neg_mtx_sum <- matrix(NA,9,length(organisation_ID),
dimnames=list(c('nodes','missing-tie','density','recip','closure','isolates',
'avg. degree','SD out','SD in'),organisation_ID))
for(i in organisation_ID){
# positive ties
pos_mtx_sum[1,i] <- nrow(networks_mtx[[i]]$positive)
pos_mtx_sum[2,i] <- 1-sum(!is.na(networks_mtx[[i]]$positive))/(nrow(networks_mtx[[i]]$positive)*(nrow(networks_mtx[[i]]$positive)-1))
pos_mtx_sum[3,i] <- edge_density(graph_from_adjacency_matrix(networks_mtx[[i]]$positive,mode='directed',diag=FALSE))
pos_mtx_sum[4,i] <- reciprocity(graph_from_adjacency_matrix(networks_mtx[[i]]$positive,mode='directed',diag=FALSE))
pos_mtx_sum[5,i] <- transitivity(graph_from_adjacency_matrix(networks_mtx[[i]]$positive,mode='directed',diag=FALSE))
pos_mtx_sum[6,i] <- sum(sna::degree(networks_mtx[[i]]$positive,cmode='freeman') == 0)
pos_mtx_sum[7,i] <- mean(rowSums(networks_mtx[[i]]$positive,na.rm=TRUE))
pos_mtx_sum[8,i] <- sd(rowSums(networks_mtx[[i]]$positive,na.rm=TRUE))
pos_mtx_sum[9,i] <- sd(colSums(networks_mtx[[i]]$positive,na.rm=TRUE))
# negative ties
neg_mtx_sum[1,i] <- nrow(networks_mtx[[i]]$negative)
neg_mtx_sum[2,i] <- 1-sum(!is.na(networks_mtx[[i]]$negative))/(nrow(networks_mtx[[i]]$negative)*(nrow(networks_mtx[[i]]$negative)-1))
neg_mtx_sum[3,i] <- edge_density(graph_from_adjacency_matrix(networks_mtx[[i]]$negative,mode='directed',diag=FALSE))
neg_mtx_sum[4,i] <- reciprocity(graph_from_adjacency_matrix(networks_mtx[[i]]$negative,mode='directed',diag=FALSE))
neg_mtx_sum[5,i] <- transitivity(graph_from_adjacency_matrix(networks_mtx[[i]]$negative,mode='directed',diag=FALSE))
neg_mtx_sum[6,i] <- sum(sna::degree(networks_mtx[[i]]$negative,cmode='freeman') == 0)
neg_mtx_sum[7,i] <- mean(rowSums(networks_mtx[[i]]$negative,na.rm=TRUE))
neg_mtx_sum[8,i] <- sd(rowSums(networks_mtx[[i]]$negative,na.rm=TRUE))
neg_mtx_sum[9,i] <- sd(colSums(networks_mtx[[i]]$negative,na.rm=TRUE))
}
write.table(round(pos_mtx_sum,3),'pos_ties.csv',row.names=TRUE,sep=',')
write.table(round(neg_mtx_sum,3),'neg_ties.csv',row.names=TRUE,sep=',')
# Out- and in-degree distributions (positive ties)
par(mfrow=c(3,2))
for(i in seq_along(networks_mtx)){
hist(rowSums(networks_mtx[[i]]$positive,na.rm=TRUE),main=paste('Out-degrees in unit ',i,sep=''))
}
for(i in seq_along(networks_mtx)){
hist(colSums(networks_mtx[[i]]$positive,na.rm=TRUE),main=paste('In-degrees in unit ',i,sep=''))
}
########################################################################################################################
# 2) DESCRIPTIVE STATS (POSITIVE & NEGATIVE GOSSIP)
# Projections of the positive and negative gossip cubes (sender-receiver, sender-target, and receiver-target)
gos_pos_sr <- gos_pos_st <- gos_pos_rt <- gos_pos
gos_neg_sr <- gos_neg_st <- gos_neg_rt <- gos_neg
for(i in seq_along(gos_pos)){
gos_pos_sr[[i]] <- apply(gos_pos[[i]],c(1,2),max,na.rm=TRUE)
gos_pos_st[[i]] <- apply(gos_pos[[i]],c(1,3),max,na.rm=TRUE)
gos_pos_rt[[i]] <- apply(gos_pos[[i]],c(2,3),max,na.rm=TRUE)
gos_neg_sr[[i]] <- apply(gos_neg[[i]],c(1,2),max,na.rm=TRUE)
gos_neg_st[[i]] <- apply(gos_neg[[i]],c(1,3),max,na.rm=TRUE)
gos_neg_rt[[i]] <- apply(gos_neg[[i]],c(2,3),max,na.rm=TRUE)
}
gossip_ntw <- list(pos_sr=gos_pos_sr,pos_st=gos_pos_st,pos_rt=gos_pos_rt,
neg_sr=gos_neg_sr,neg_st=gos_neg_st,neg_rt=gos_neg_rt)
# NA allocation
for(i in seq_along(gossip_ntw)){
for(j in seq_along(gossip_ntw[[i]])){
gossip_ntw[[i]][[j]][is.infinite(gossip_ntw[[i]][[j]])] <- NA
}
}
# SUmmary table
gossip_sum_ind <- matrix(NA,12,6,dimnames=list(c('pos_s','pos_r','pos_t','neg_s','neg_r','neg_t',
'pos_sr','neg_sr','pos_st','neg_st','pos_rt','neg_rt'),organisation_ID))
for(i in 1:ncol(gossip_sum_ind)){
# Number of positive gossip senders, receivers, and targets per unit
gossip_sum_ind[1,i] <- sum(rowSums(gossip_ntw$pos_sr[[i]],na.rm = TRUE) != 0)
gossip_sum_ind[2,i] <- sum(rowSums(gossip_ntw$pos_rt[[i]],na.rm = TRUE) != 0)
gossip_sum_ind[3,i] <- sum(colSums(gossip_ntw$pos_rt[[i]],na.rm = TRUE) != 0)
# Number of negative gossip senders, receivers, and targets per unit
gossip_sum_ind[4,i] <- sum(rowSums(gossip_ntw$neg_sr[[i]],na.rm = TRUE) != 0)
gossip_sum_ind[5,i] <- sum(rowSums(gossip_ntw$neg_rt[[i]],na.rm = TRUE) != 0)
gossip_sum_ind[6,i] <- sum(colSums(gossip_ntw$neg_rt[[i]],na.rm = TRUE) != 0)
# Number of gossip ties per gossip projection (sr, st, rt)
gossip_sum_ind[7,i] <- sum(gossip_ntw$pos_sr[[i]],na.rm = TRUE)
gossip_sum_ind[8,i] <- sum(gossip_ntw$neg_sr[[i]],na.rm = TRUE)
gossip_sum_ind[9,i] <- sum(gossip_ntw$pos_st[[i]],na.rm = TRUE)
gossip_sum_ind[10,i] <- sum(gossip_ntw$neg_st[[i]],na.rm = TRUE)
gossip_sum_ind[11,i] <- sum(gossip_ntw$pos_rt[[i]],na.rm = TRUE)
gossip_sum_ind[12,i] <- sum(gossip_ntw$neg_rt[[i]],na.rm = TRUE)
}
gossip_sum_ind
########################################################################################################################
# 3) BIVARIATE STATS (NETWORK LEVEL: JACCARD INDICES FOR MATRIX OVERLAP)
# Dyadic: Jaccard indices (matrix overlap)
jacc_ind <- array(NA,dim=c(6,2,6),
dimnames=list(c('pos_sr','pos_st','pos_rt','neg_sr','neg_st','neg_rt'),
c('positive','negative'),
organisation_ID))
for(i in seq_along(organisation_ID)){
jacc_ind[1,1,i] <- round(Jaccard(gossip_ntw$pos_sr[[i]],networks_mtx[[i]]$positive),3)*100
jacc_ind[2,1,i] <- round(Jaccard(gossip_ntw$pos_st[[i]],networks_mtx[[i]]$positive),3)*100
jacc_ind[3,1,i] <- round(Jaccard(gossip_ntw$pos_rt[[i]],networks_mtx[[i]]$positive),3)*100
jacc_ind[4,1,i] <- round(Jaccard(gossip_ntw$neg_sr[[i]],networks_mtx[[i]]$positive),3)*100
jacc_ind[5,1,i] <- round(Jaccard(gossip_ntw$neg_st[[i]],networks_mtx[[i]]$positive),3)*100
jacc_ind[6,1,i] <- round(Jaccard(gossip_ntw$neg_rt[[i]],networks_mtx[[i]]$positive),3)*100
jacc_ind[1,2,i] <- round(Jaccard(gossip_ntw$pos_sr[[i]],networks_mtx[[i]]$negative),3)*100
jacc_ind[2,2,i] <- round(Jaccard(gossip_ntw$pos_st[[i]],networks_mtx[[i]]$negative),3)*100
jacc_ind[3,2,i] <- round(Jaccard(gossip_ntw$pos_rt[[i]],networks_mtx[[i]]$negative),3)*100
jacc_ind[4,2,i] <- round(Jaccard(gossip_ntw$neg_sr[[i]],networks_mtx[[i]]$negative),3)*100
jacc_ind[5,2,i] <- round(Jaccard(gossip_ntw$neg_st[[i]],networks_mtx[[i]]$negative),3)*100
jacc_ind[6,2,i] <- round(Jaccard(gossip_ntw$neg_rt[[i]],networks_mtx[[i]]$negative),3)*100
}
jacc_ind
round(apply(jacc_ind,c(1,2),mean),1); apply(jacc_ind,c(1,2),min); apply(jacc_ind,c(1,2),max)
########################################################################################################################
# 4) CLUSTER DETECTION (Louvain method)
for(i in seq_along(networks_mtx)){
networks_mtx[[i]]$clust_louv <- cluster_louvain(graph_from_adjacency_matrix(networks_mtx[[i]]$positive,
mode='undirected',diag=FALSE))
networks_mtx[[i]]$clusters <- 1*outer(networks_mtx[[i]]$clust_louv$membership,networks_mtx[[i]]$clust_louv$membership,
FUN='==')
rownames(networks_mtx[[i]]$clusters) <- colnames(networks_mtx[[i]]$clusters) <- rownames(networks_mtx[[i]]$positive)
}
# Creation of triadic data to check how many gossip is intra- vs. inter-group
# Creation of large data set N(N-1)(N-2)
triad_data <- vector('list',length=length(org_subject))
names(triad_data) <- names(org_subject)
for(i in seq_along(triad_data)){
triad_data[[i]] <- data.frame(matrix(NA,nrow=length(org_subject[[i]])^3,ncol=5))
colnames(triad_data[[i]]) <- c('unit','sender','receiver','target','gossip')
triad_data[[i]]$unit <- organisation_ID[[i]]
triad_data[[i]]$sender <- rep(org_subject[[i]],each=(length(org_subject[[i]]))^2)
triad_data[[i]]$receiver <- rep(org_subject[[i]],times=length(org_subject[[i]]),each=length(org_subject[[i]]))
triad_data[[i]]$target <- rep(org_subject[[i]],times=(length(org_subject[[i]])^2))
# Exclusion of diagonals (if sender = receiver, sender = target, or receiver = target)
triad_data[[i]] <- triad_data[[i]][triad_data[[i]]$sender != triad_data[[i]]$receiver &
triad_data[[i]]$sender != triad_data[[i]]$target &
triad_data[[i]]$receiver != triad_data[[i]]$target,]
}
# Extraction of gossip triads from the gossip cube
for(i in seq_along(gos_pos)){
for(s in rownames(gos_pos[[i]])){
for(r in rownames(gos_pos[[i]])){
for(t in rownames(gos_pos[[i]])){
if(s != r & s != t & r != t){
triad_data[[i]][triad_data[[i]]$sender == s & triad_data[[i]]$receiver == r & triad_data[[i]]$target == t,
]$gossip <- gos_pos[[i]][s,r,t] - gos_neg[[i]][s,r,t]
}
}
}
}
}
# Extraction of positive and negative ties, and whether respondents belong to the same group or not
for(i in seq_along(triad_data)){
for(j in 1:nrow(triad_data[[i]])){
# Positive and negative ties
triad_data[[i]]$SR[j] <- networks_mtx[[i]]$positive[triad_data[[i]]$sender[j],triad_data[[i]]$receiver[j]] -
networks_mtx[[i]]$negative[triad_data[[i]]$sender[j],triad_data[[i]]$receiver[j]]
triad_data[[i]]$ST[j] <- networks_mtx[[i]]$positive[triad_data[[i]]$sender[j],triad_data[[i]]$target[j]] -
networks_mtx[[i]]$negative[triad_data[[i]]$sender[j],triad_data[[i]]$target[j]]
triad_data[[i]]$RT[j] <- networks_mtx[[i]]$positive[triad_data[[i]]$receiver[j],triad_data[[i]]$target[j]] -
networks_mtx[[i]]$negative[triad_data[[i]]$receiver[j],triad_data[[i]]$target[j]]
# Group membership
triad_data[[i]]$samegroup_SR[j] <- networks_mtx[[i]]$clusters[triad_data[[i]]$sender[j],triad_data[[i]]$receiver[j]]
triad_data[[i]]$samegroup_ST[j] <- networks_mtx[[i]]$clusters[triad_data[[i]]$sender[j],triad_data[[i]]$target[j]]
triad_data[[i]]$samegroup_RT[j] <- networks_mtx[[i]]$clusters[triad_data[[i]]$receiver[j],triad_data[[i]]$target[j]]
}
}
########################################################################################################################
# 5) BROKERS' DETECTION
# Creation of matrices with two roles: broker (betweenness-central actors) and non-broker
for(i in seq_along(networks_mtx)){
# Edge betweenness
networks_mtx[[i]]$sqrt_btw <- betweenness(graph_from_adjacency_matrix(networks_mtx[[i]]$positive,
mode='directed',diag=FALSE),directed=TRUE)
# Distance object
networks_mtx[[i]]$sqrt_btw <- as.dist(abs(outer(networks_mtx[[i]]$sqrt_btw,networks_mtx[[i]]$sqrt_btw,'-')))
# Hierarchical clustering (Ward D method)
networks_mtx[[i]]$sqrt_btw <- hclust(networks_mtx[[i]]$sqrt_btw,method='ward.D')
plot(networks_mtx[[i]]$sqrt_btw)
rect.hclust(networks_mtx[[i]]$sqrt_btw,2,border='blue')
# Extraction of roles
networks_mtx[[i]]$roles <- cutree(networks_mtx[[i]]$sqrt_btw,k=2)
}
# Labelling the roles
networks_mtx[[1]]$roles <- factor(networks_mtx[[1]]$roles,levels=c(1,2),labels=c('broker','non-broker'))
networks_mtx[[2]]$roles <- factor(networks_mtx[[2]]$roles,levels=c(1,2),labels=c('broker','non-broker'))
networks_mtx[[3]]$roles <- factor(networks_mtx[[3]]$roles,levels=c(2,1),labels=c('broker','non-broker'))
networks_mtx[[4]]$roles <- factor(networks_mtx[[4]]$roles,levels=c(1,2),labels=c('broker','non-broker'))
networks_mtx[[5]]$roles <- factor(networks_mtx[[5]]$roles,levels=c(2,1),labels=c('broker','non-broker'))
networks_mtx[[6]]$roles <- factor(networks_mtx[[6]]$roles,levels=c(2,1),labels=c('broker','non-broker'))
# Extraction of roles for the triadic data
for(i in seq_along(triad_data)){
triad_data[[i]]$target_role <- triad_data[[i]]$receiver_role <- triad_data[[i]]$sender_role <- NA
}
for(i in seq_along(networks_mtx)){
for(j in names(networks_mtx[[i]]$roles)){
triad_data[[i]]$sender_role[triad_data[[i]]$sender == j] <- as.character(networks_mtx[[i]]$roles[j])
triad_data[[i]]$receiver_role[triad_data[[i]]$receiver == j] <- as.character(networks_mtx[[i]]$roles[j])
triad_data[[i]]$target_role[triad_data[[i]]$target == j] <- as.character(networks_mtx[[i]]$roles[j])
}
}
# Visualisation of the networks with communities and broker nodes detected
ntw_plot <- networks_mtx
for(i in seq_along(ntw_plot)){
# Clustering using Newman's method based on positive ties only
ntw_plot[[i]]$group <- ntw_plot[[i]]$positive
ntw_plot[[i]]$group <- graph_from_adjacency_matrix(ntw_plot[[i]]$group,mode='undirected',diag=FALSE)
ntw_plot[[i]]$group <- igraph::cluster_louvain(ntw_plot[[i]]$group) # clustering (Louvain method)
# Show both positive and negative ties
ntw_plot[[i]]$vis <- graph_from_adjacency_matrix(ntw_plot[[i]]$positive - ntw_plot[[i]]$negative,mode='directed',
diag=FALSE,weighted=TRUE)
# Layout based only on positive ties
set.seed(0708)
ntw_plot[[i]]$layout <- layout_with_fr(graph_from_adjacency_matrix(ntw_plot[[i]]$positive,mode='directed'))
# Customisation of nodes and ties
V(ntw_plot[[i]]$vis)$color <- ifelse(networks_mtx[[i]]$roles == 'broker','gold','royalblue')
V(ntw_plot[[i]]$vis)$size <- 7
E(ntw_plot[[i]]$vis)$color <- as.character(factor(E(ntw_plot[[i]]$vis)$weight,levels=c(-1,1),labels=c('red','black')))
E(ntw_plot[[i]]$vis)$width <- 1
E(ntw_plot[[i]]$vis)$lty <- ifelse(E(ntw_plot[[i]]$vis)$weight==1,1,2)
}
# Visualisation
jpeg(filename='Networks.jpeg',width=12,height=8,units='in',res=1000)
par(mfrow=c(2,3))
for(i in seq_along(ntw_plot)){
plot(ntw_plot[[i]]$vis,mark.groups=ntw_plot[[i]]$group,
edge.arrow.size=.2,vertex.label=NA,layout=ntw_plot[[i]]$layout,
main=paste("Unit",LETTERS[i],sep=' '))
}
legend("bottomright",legend=c('broker','non-broker'),pt.bg=c('gold','royalblue'),pch=21,pt.cex=2, cex=1.5, bty="o")
dev.off()
########################################################################################################################
# 6) DESCRIPTIVE STATISTICS
# 6.1) Positive gossip
# Keep only the gossip triads
CP_descrip <- triad_data
for(i in seq_along(CP_descrip)){
CP_descrip[[i]] <- CP_descrip[[i]][!is.na(CP_descrip[[i]]$gossip) & CP_descrip[[i]]$gossip == 1,]
}
com_descrip <- CP_descrip
# In-group vs. out-group: descriptive (SR, ST, RT)
for(i in seq_along(com_descrip)){
com_descrip[[i]] <- as.vector(table(com_descrip[[i]]$samegroup_SR,
com_descrip[[i]]$samegroup_ST,
com_descrip[[i]]$samegroup_RT))
}
com_descrip <- do.call('rbind',com_descrip)
com_descrip <- com_descrip[,c(8,4,6,2,7,3,5,1)]
colnames(com_descrip) <- c('III','II0','IOI','IOO','OII','OIO','OOI','OOO')
com_descrip <- com_descrip[,c('IOO','OIO','OOI','III','OOO')]
com_descrip <- as.data.frame(com_descrip)
round(colSums(com_descrip)/sum(com_descrip)*100,2)
# Visualisation
names(com_descrip) <- c('Same group (sender-receiver)','Same group (sender-target)','Same group (receiver-target)',
'Same group (sender-receiver-target)','Three parties in different groups')
rownames(com_descrip) <- c('Unit A','Unit B','Unit C','Unit D','Unit E','Unit F')
p1 <- ggballoonplot(com_descrip,fill='value',size=15,show.label = TRUE,
legend = 'bottom', legend.title='Frequency of positive gossip') +
gradient_fill(c("white","olivedrab1" ,"palegreen","springgreen3", "chartreuse4"))
# 6.2) Negative gossip
# Keep only the gossip triads
CP_descrip <- triad_data
for(i in seq_along(CP_descrip)){
CP_descrip[[i]] <- CP_descrip[[i]][!is.na(CP_descrip[[i]]$gossip) & CP_descrip[[i]]$gossip == -1,]
}
com_descrip <- CP_descrip
# In-group vs. out-group: descriptive (SR, ST, RT)
for(i in seq_along(com_descrip)){
com_descrip[[i]] <- as.vector(table(com_descrip[[i]]$samegroup_SR,
com_descrip[[i]]$samegroup_ST,
com_descrip[[i]]$samegroup_RT))
}
com_descrip <- do.call('rbind',com_descrip)
com_descrip <- com_descrip[,c(8,4,6,2,7,3,5,1)]
colnames(com_descrip) <- c('III','II0','IOI','IOO','OII','OIO','OOI','OOO')
com_descrip <- com_descrip[,c('IOO','OIO','OOI','III','OOO')]
com_descrip <- as.data.frame(com_descrip)
round(colSums(com_descrip)/sum(com_descrip)*100,2)
# Visualisation
names(com_descrip) <- c('Same group (sender-receiver)','Same group (sender-target)','Same group (receiver-target)',
'Same group (sender-receiver-target)','Three parties in different groups')
rownames(com_descrip) <- c('Unit A','Unit B','Unit C','Unit D','Unit E','Unit F')
p2 <- ggballoonplot(com_descrip,fill='value',size=15,show.label = TRUE,
legend = 'bottom', legend.title='Frequency of negative gossip') +
gradient_fill(c("white","gold" ,"orange","tomato", "red"))
jpeg(filename='Gossip by group.jpeg',width=13,height=7,units='in',res=500)
ggarrange(p1,p2,ncol=2,labels=c('',''))
dev.off()
########################################################################################################################
# 7) BROKERS' PROPERTIES
brokers <- pos_odeg <- pos_ideg <- neg_odeg <- neg_ideg <- networks_mtx
for(i in seq_along(brokers)){
brokers[[i]] <- brokers[[i]]$roles
pos_odeg[[i]] <- rowSums(pos_odeg[[i]]$positive,na.rm=TRUE)
pos_ideg[[i]] <- colSums(pos_ideg[[i]]$positive,na.rm=TRUE)
neg_odeg[[i]] <- rowSums(neg_odeg[[i]]$negative,na.rm=TRUE)
neg_ideg[[i]] <- colSums(neg_ideg[[i]]$negative,na.rm=TRUE)
}
brokers <- c(brokers[[1]],brokers[[2]],brokers[[3]],brokers[[4]],brokers[[5]],brokers[[6]])
pos_odeg <- c(pos_odeg[[1]],pos_odeg[[2]],pos_odeg[[3]],pos_odeg[[4]],pos_odeg[[5]],pos_odeg[[6]])
pos_ideg <- c(pos_ideg[[1]],pos_ideg[[2]],pos_ideg[[3]],pos_ideg[[4]],pos_ideg[[5]],pos_ideg[[6]])
neg_odeg <- c(neg_odeg[[1]],neg_odeg[[2]],neg_odeg[[3]],neg_odeg[[4]],neg_odeg[[5]],neg_odeg[[6]])
neg_ideg <- c(neg_ideg[[1]],neg_ideg[[2]],neg_ideg[[3]],neg_ideg[[4]],neg_ideg[[5]],neg_ideg[[6]])
brokers <- as.data.frame(brokers)
brokers$pos_odeg <- pos_odeg
brokers$pos_ideg <- pos_ideg
brokers$neg_odeg <- neg_odeg
brokers$neg_ideg <- neg_ideg
brokers$ID <- attributes$responder
attributes <- merge(x=attributes,y=brokers,by.x='responder',by.y='ID',all.x=TRUE)
# Descriptive stats
summary(attributes$brokers)
# Female brokers
table(attributes[attributes$woman == 1,]$brokers) # women
table(attributes[attributes$woman == 0,]$brokers) # men
prop.test(x=c(8,33),n=c(28,100),alternative='two.sided')
# Brokers in management
table(attributes[attributes$hr_leader == 1,]$brokers) # manager
table(attributes[attributes$hr_leader == 0,]$brokers) # employee
prop.test(x=c(16,18),n=c(28,100),alternative='two.sided')
# Age of brokers
t.test(x=(2018 - attributes[attributes$brokers == 'broker',]$birth_year),
y=(2018 - attributes[attributes$brokers == 'non-broker',]$birth_year),alternative='two.sided')
range(2018 - attributes[attributes$brokers == 'broker',]$birth_year)
range(2018 - attributes[attributes$brokers == 'non-broker',]$birth_year)
# Tenure of brokers
t.test(x=(attributes[attributes$brokers == 'broker',]$tenure),
y=(attributes[attributes$brokers == 'non-broker',]$tenure),alternative='two.sided')
range(attributes[attributes$brokers == 'broker',]$tenure,na.rm=TRUE)
range(attributes[attributes$brokers == 'non-broker',]$tenure,na.rm=TRUE)
# Degree differences
# Positive outdegree
t.test(x=(attributes[attributes$brokers == 'broker',]$pos_odeg),
y=(attributes[attributes$brokers == 'non-broker',]$pos_odeg),alternative='two.sided')
range(attributes[attributes$brokers == 'broker',]$pos_odeg,na.rm=TRUE)
range(attributes[attributes$brokers == 'non-broker',]$pos_odeg,na.rm=TRUE)
# Positive indegree
t.test(x=(attributes[attributes$brokers == 'broker',]$pos_ideg),
y=(attributes[attributes$brokers == 'non-broker',]$pos_ideg),alternative='two.sided')
range(attributes[attributes$brokers == 'broker',]$pos_ideg,na.rm=TRUE)
range(attributes[attributes$brokers == 'non-broker',]$pos_ideg,na.rm=TRUE)
# Negative outdegree
t.test(x=(attributes[attributes$brokers == 'broker',]$neg_odeg),
y=(attributes[attributes$brokers == 'non-broker',]$neg_odeg),alternative='two.sided')
range(attributes[attributes$brokers == 'broker',]$neg_odeg,na.rm=TRUE)
range(attributes[attributes$brokers == 'non-broker',]$neg_odeg,na.rm=TRUE)
# Negative indegree
t.test(x=(attributes[attributes$brokers == 'broker',]$neg_ideg),
y=(attributes[attributes$brokers == 'non-broker',]$neg_ideg),alternative='two.sided')
range(attributes[attributes$brokers == 'broker',]$neg_ideg,na.rm=TRUE)
range(attributes[attributes$brokers == 'non-broker',]$neg_ideg,na.rm=TRUE)
# Visualisation
no.background <- theme_bw()+
theme(plot.background=element_blank(),panel.grid.major=element_blank(),
panel.grid.minor=element_blank(),panel.border=element_blank())+
theme(axis.line=element_line(color='black'))+
theme(strip.text.x=element_text(colour='white',face='bold'))+
theme(strip.background=element_rect(fill='black'))
attributes$age <- 2018 - attributes$birth_year
b1 <- ggplot(data=attributes,aes(x=brokers,group=brokers,y=age,colour=brokers,fill=brokers))+
geom_point(position = position_jitterdodge(dodge.width = 0, jitter.width = 0.75),size=2)+
geom_boxplot(colour='black',alpha=.5)+
geom_signif(comparisons = list(c("broker", "non-broker")),map_signif_level=TRUE,textsize=4,colour='black')+
no.background+
labs(fill='',colour='')+xlab('')+ylab('Age')+
scale_colour_manual(values = c('goldenrod','dodgerblue'))+
scale_fill_manual(values = c('gold','royalblue'))+
theme(axis.title.x=element_blank(),axis.text.x=element_blank(),axis.ticks.x=element_blank())
b2 <- ggplot(data=attributes,aes(x=brokers,group=brokers,y=tenure,colour=brokers,fill=brokers))+
geom_point(position = position_jitterdodge(dodge.width = 0, jitter.width = 0.75),size=2)+
geom_boxplot(colour='black',alpha=.5)+
geom_signif(comparisons = list(c("broker", "non-broker")),map_signif_level=TRUE,textsize=4,colour='black')+
no.background+
labs(fill='',colour='')+xlab('')+ylab('Tenure')+
scale_colour_manual(values = c('goldenrod','dodgerblue'))+
scale_fill_manual(values = c('gold','royalblue'))+
theme(axis.title.x=element_blank(),axis.text.x=element_blank(),axis.ticks.x=element_blank())
b3 <- ggplot(data=attributes,aes(x=brokers,group=brokers,y=pos_odeg,colour=brokers,fill=brokers))+
geom_point(position = position_jitterdodge(dodge.width = 0, jitter.width = 0.75),size=2)+
geom_boxplot(colour='black',alpha=.5)+
geom_signif(comparisons = list(c("broker", "non-broker")),map_signif_level=TRUE,textsize=4,colour='black')+
no.background+
labs(fill='',colour='')+xlab('')+ylab('Positive network out-degree')+
scale_colour_manual(values = c('goldenrod','dodgerblue'))+
scale_fill_manual(values = c('gold','royalblue'))+
theme(axis.title.x=element_blank(),axis.text.x=element_blank(),axis.ticks.x=element_blank())
b4 <- ggplot(data=attributes,aes(x=brokers,group=brokers,y=pos_ideg,colour=brokers,fill=brokers))+
geom_point(position = position_jitterdodge(dodge.width = 0, jitter.width = 0.75),size=2)+
geom_boxplot(colour='black',alpha=.5)+
geom_signif(comparisons = list(c("broker", "non-broker")),map_signif_level=TRUE,textsize=4,colour='black')+
no.background+
labs(fill='',colour='')+xlab('')+ylab('Positive network in-degree')+
scale_colour_manual(values = c('goldenrod','dodgerblue'))+
scale_fill_manual(values = c('gold','royalblue'))+
theme(axis.title.x=element_blank(),axis.text.x=element_blank(),axis.ticks.x=element_blank())
b5 <- ggplot(data=attributes,aes(x=brokers,group=brokers,y=neg_odeg,colour=brokers,fill=brokers))+
geom_point(position = position_jitterdodge(dodge.width = 0, jitter.width = 0.75),size=2)+
geom_boxplot(colour='black',alpha=.5)+
geom_signif(comparisons = list(c("broker", "non-broker")),map_signif_level=TRUE,textsize=4,colour='black')+
no.background+
labs(fill='',colour='')+xlab('')+ylab('Negative network out-degree')+
scale_colour_manual(values = c('goldenrod','dodgerblue'))+
scale_fill_manual(values = c('gold','royalblue'))+
theme(axis.title.x=element_blank(),axis.text.x=element_blank(),axis.ticks.x=element_blank())
b6 <- ggplot(data=attributes,aes(x=brokers,group=brokers,y=neg_ideg,colour=brokers,fill=brokers))+
geom_point(position = position_jitterdodge(dodge.width = 0, jitter.width = 0.75),size=2)+
geom_boxplot(colour='black',alpha=.5)+
geom_signif(comparisons = list(c("broker", "non-broker")),map_signif_level=TRUE,textsize=4,colour='black')+
no.background+
labs(fill='',colour='')+xlab('')+ylab('Negative network in-degree')+
scale_colour_manual(values = c('goldenrod','dodgerblue'))+
scale_fill_manual(values = c('gold','royalblue'))+
theme(axis.title.x=element_blank(),axis.text.x=element_blank(),axis.ticks.x=element_blank())
jpeg(filename='Brokers vs. non-brokers.jpeg',width=12,height=6,units='in',res=500)
ggarrange(b1,b2,b3,b4,b5,b6,
labels=c('','','','','',''),
common.legend = TRUE,
nrow=1,ncol=6)
dev.off()
########################################################################################################################
# Removal of unnecessary objects
rm(pos_mtx_sum);rm(neg_mtx_sum);rm(gos_pos_sr);rm(gos_pos_st);rm(gos_pos_rt);rm(gos_neg_sr);rm(gos_neg_st);rm(gos_neg_rt)
rm(gossip_sum_ind);rm(jacc_ind);rm(i);rm(j);rm(ntw_plot);rm(s);rm(r);rm(t);rm(com_descrip);rm(CP_descrip);rm(brokers)
rm(pos_odeg);rm(pos_ideg);rm(neg_odeg);rm(neg_ideg);rm(p1);rm(p2);rm(b1);rm(b2);rm(b3);rm(b4);rm(b5);rm(b6)
rm(no.background);rm(rec_F103)
# Save image
save.image('modellingdata.RData')