Elias_Issa-exercise7

Exercise7.R

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+#Assuming iris.csv is in the default directory,read iris.csv into a data frame, to seperate column headings from data header is TRUE
+iris <- read.csv(file = "iris.csv", header =TRUE)
+# Save iris data frame as iris.txt file, row names is false to remove numbering, seperator is \t to represent tab, quote as false to prevent quotation marks around strings
+write.table(iris, file = "iris1.txt", row.names = FALSE, sep="\t", quote =FALSE)
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+#b is the name of the list for q2.1) Sequence from 100 to 1000 with spaces of 100.
+#2) As the order of the data is not specified providing 2 headers with 2 elements each results in a 2x2 data frame.
+#3) The L following 999 specifies an integer
+#4)The matrix contains numbers 1 to 50 with 10 rows and 5 columns, data order is not specified.
+#5) A vector containg the first 3 letters
+b <- list(seq(100,1000,by=100),data.frame(college = c("Notre Dame", "Syracus"), score= c (41, 24)), 999L, matrix(1:50, nrow= 10, ncol=5), c("a","b","c"))
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