Differences

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--- r:graphics [2017/11/27 01:25] – [Creating a Bar Chart] hkimscil
+++ r:graphics [2017/11/27 01:27] (current) – [Adding Confidence Intervals to a Bar Chart] hkimscil
@@ Line 432: / Line 432: @@
 </code>
-<code>tmean <- tapply(Temp, list(as.factor(Month)), mean)  # mean for each month
+<code>tmean <- tapply(Temp, list(as.factor(Month)), mean)
-tsd <- tapply(Temp, list(as.factor(Month)),sd)  # sd for each month
+# mean for each month
-tse <- tsd/sqrt(length(Temp))  # se for each month
+tsd <- tapply(Temp, list(as.factor(Month)),sd)
+# sd for each month
+tse <- tsd/sqrt(length(Temp))
+# se for each month
 lower <- tmean - 1.96*tse