Sharma_Exercise10

Sharma_Exercise10.R

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+#Using the score-by-score information from this game summarized in 
+#“UWvMSU_1-22-13.txt” generate a graph similar to the one I show above. 
+#Don’t worry about how pretty your graph is. Focus more on the control structures 
+#required in your script used to generate the plot.
+
+score <- read.table("UWvMSU_1-22-13.txt", header = TRUE)
+score_MSU <- integer(nrow(score))
+score_UW <- integer(nrow(score))
+time <- 1:nrow(score)
+for(i in 1:nrow(score)){
+  time[i] <- score$time[i]
+}
+score_MSU <- 0
+score_UW <- 3
+for(i in 2:nrow(score)){
+  if(score$team[i]=="UW"){
+    score_UW[i] <- score_UW[i-1]+score$score[i]
+    score_MSU[i] <- score_MSU[i-1]
+  }else if(score$team[i]=="MSU"){
+    score_MSU[i] <- score_MSU[i-1]+score$score[i]
+    score_UW[i] <- score_UW[i-1]
+  }
+}
+#create dataframe for time, MSU score and UW score.
+score_dataframe <- data.frame(time, score_MSU, score_UW)
+#loading ggplot2 package
+library(ggplot2)
+ggplot(score_dataframe, aes(time))+
+  geom_line(aes(y=score_MSU), color=1)+
+  geom_line(aes(y=score_UW), color=2)+
+  xlab("Time")+
+  ylab("Score")+
+  ggtitle("Cummulative score for MSU and UW")
+
+
+#2. Write a game called “guess my number”. The computer will generate a random 
+#number between 1 and 100. The user types in a number and the computer replies 
+#“lower” if the random number is lower than the guess, “higher” if the random
+#number is higher, and “correct!” if the guess is correct. The player can continue 
+#guessing up to 10 times.
+
+count <- 1
+#pick a random number from 1 to 100
+Guess <- sample(1:100,1)
+Guess <- as.numeric(Guess)
+while (count <= 10) {
+  reply <- readline(prompt = "Enter a number between 1 and 100:")
+  reply <- as.numeric(reply)
+  if(Guess < reply && count < 10){
+    print("Guess a lower number, please!")
+    count <- count+1
+  }else if(Guess > reply && count < 10){
+    print("Guess a higher number, please!")
+  count <- count + 1
+  }else if (Guess == reply){
+    print("You win")
+    break
+  }
+  else if(count == 10){
+    print("Sorry :(, you cant make guess for more than 10 times")
+    break
+  }
+}
+
+