Finished bar plots. Merged bar and line plots into a single plot script.

plot/bar_plot.r

@@ -1,6 +1,7 @@
 #!/usr/bin/env Rscript
 
 # Libraries:
+library(reshape2)
 library(tidyverse)
 
 # Parsing command line arguments:
@@ -8,19 +9,8 @@ options = commandArgs(trailingOnly = TRUE)
 filename = options[1]
 table_header = options[-1]
 
-# Loading files:
-table = read.csv(filename, col_names = table_header, row.names = length(table_header)) # The last column of the table gives the timestamp, thus the row names
-
-# Setting up the table so it can be plotted:
-# Transposing for bar plotting:
-table = t(as.matrix(table))
-
-# Plotting:
-barplot(table)
-# legend("topright", legend = c("Level 1", "Level 2"), fill = c("red", "darkblue"))
-
-# read.csv(filename, col_names = table_header, row.names = length(table_header) + 1) %>% # The last column of the table gives the timestamp, thus the row names
-#     mutate(timestamp = as_date(as_datetime(timestamp))) %>% # Formatting the date
-#     as.matrix() %>% # Converting to matrix to transpose
-#     t() %>% # Transposing for bar plotting
-#     barplot()
+read_csv(filename, col_names = table_header) %>%
+    mutate(timestamp = as_date(as_datetime(timestamp))) %>% # Formatting the date
+    melt(id.vars = "timestamp", variable.name = "category", value.name = "amount") %>% # Formatting the table to plot each category
+    ggplot(aes(x = timestamp, y = amount, fill = category)) +
+    geom_bar(stat = "identity")

plot/line_plot.r

@@ -9,7 +9,7 @@ options = commandArgs(trailingOnly = TRUE)
 filename = options[1]
 table_header = options[-1]
 
-read_csv(filename, col_names=table_header) %>%
+read_csv(filename, col_names = table_header) %>%
     mutate(timestamp = as_date(as_datetime(timestamp))) %>% # Formatting the date
     melt(id.vars = "timestamp", variable.name = "category", value.name = "amount") %>% # Formatting the table to plot each category
     ggplot(aes(x = timestamp, y = amount)) +

plot/plot.r

@@ -0,0 +1,21 @@
+#!/usr/bin/env Rscript
+
+# Libraries:
+library(reshape2)
+library(tidyverse)
+
+# Parsing command line arguments:
+options = commandArgs(trailingOnly = TRUE)
+filename = options[1]
+plot_type = options[2]
+table_header = options[-1:-2]
+
+read_csv(filename, col_names = table_header) %>%
+    mutate(timestamp = as_date(as_datetime(timestamp))) %>% # Formatting the date
+    melt(id.vars = "timestamp", variable.name = "category", value.name = "amount") %>% # Formatting the table to plot each category
+    {
+        if (plot_type == "bar")
+            ggplot(data = ., aes(x = timestamp, y = amount, fill = category)) + geom_bar(stat = "identity")
+        else if (plot_type == "line")
+            ggplot(data = ., aes(x = timestamp, y = amount)) + geom_line(aes(color = category))
+    }