GGplot未显示在RStudio上

时间:2019-02-10 08:27:55

标签: r ggplot2 data-visualization

我正在尝试绘制数据,这些数据用于测量中的双字母组的频率。圆棒图的文档。但是,在RStudio上运行代码时,我看不到实际的图。我不确定自己在做什么错

这是我的代码

sona_dfm <- tokens(sona_corp) %>%
  tokens_remove("\\p{P}", valuetype ="regex", padding=TRUE)%>%
  tokens_remove("\\d+", padding = TRUE)%>%
  tokens_ngrams(n=3) %>%
  dfm()
#frequency table
freq_table <- textstat_frequency(sona_dfm, n=25) #top25

# Add lines to the initial dataset
freq_table$id=seq(1, nrow(freq_table))

# Get the name and the y position of each label
label_data=freq_table
number_of_bar=nrow(label_data)
angle= 90 - 360 * (label_data$id-0.5) /number_of_bar     # I substract 0.5 because the letter must have the angle of the center of the bars. Not extreme right(1) or extreme left (0)
label_data$hjust<-ifelse( angle < -90, 1, 0)
label_data$angle<-ifelse(angle < -90, angle+180, angle)

# Make the plot
p = ggplot(freq_table, aes(x=as.factor(id), y=frequency)) +   
  geom_bar(stat="identity", fill=alpha("green", 0.3)) +
  scale_y_continuous(limits=c(0,1500)) +
  theme_minimal() +
  theme(
    axis.text = element_blank(),
    axis.title = element_blank(),
    panel.grid = element_blank(),
    plot.margin = unit(rep(-1,4), "cm") 
  ) +
  coord_polar(start = 0) + 
  geom_text(data=label_data, aes(x=id, y=frequency+20, label=feature, hjust=hjust), color="black", fontface="bold",alpha=0.6, size=2.5, angle= label_data$angle, inherit.aes = FALSE )+
show(p)

这是我拥有的数据 data

0 个答案:

没有答案