call.list <- do.call("rbind", lapply(list.files(".", pattern="^call_list-.*tsv$"), function (x) {read.delim(x)[,1:3]}))
colnames(call.list) <- gsub("_", ".", colnames(call.list))
+call.list$day <- as.Date(call.list$timestamp)
+
call.counts <- data.frame(table(call.list$discord.name))
colnames(call.counts) <- c("discord.name", "num.calls")
attendance <- unlist(lapply(list.files(".", pattern="^attendance-.*tsv$"), function (x) {d <- read.delim(x); strsplit(d[[2]], ",")}))
-attendance.counts <- data.frame(table(attendance))
+
+file.to.attendance.list <- function (x) {
+ tmp <- read.delim(x)
+ d.out <- data.frame(discord.name=unlist(strsplit(tmp[[2]], ",")))
+ d.out$day <- rep(as.Date(tmp[[1]][1]), nrow(d.out))
+ return(d.out)
+}
+
+attendance <- do.call("rbind",
+ lapply(list.files(".", pattern="^attendance-.*tsv$"),
+ file.to.attendance.list))
+
+attendance.counts <- data.frame(table(attendance$discord.name))
colnames(attendance.counts) <- c("discord.name", "num.present")
-d <- merge(d, attendance.counts, all.x=TRUE, all.y=TRUE, by="discord.name"); d
+d <- merge(d, attendance.counts,
+ all.x=TRUE, all.y=TRUE,
+ by="discord.name")
+
+days.list <- lapply(unique(attendance$day), function (day) {
+ day.total <- table(call.list$day == day)[["TRUE"]]
+ lapply(d$discord.name, function (discord.name) {
+ num.present <- nrow(attendance[attendance$day == day & attendance$discord.name == discord.name,])
+ data.frame(discord.name=discord.name,
+ days.present=(num.present/day.total))
+ })
+})
+
+days.tmp <- do.call("rbind", lapply(days.list, function (x) do.call("rbind", x)))
+
+days.tbl <- tapply(days.tmp$days.present, days.tmp$discord.name, sum)
+
+attendance.days <- data.frame(discord.name=names(days.tbl),
+ days.present=days.tbl,
+ days.absent=length(list.files(".", pattern="^attendance-.*tsv$"))-days.tbl)
+d <- merge(d, attendance.days,
+ all.x=TRUE, all.y=TRUE, by="discord.name")
+d[sort.list(d$days.absent), c("discord.name", "num.calls", "days.absent")]
-color.gradient <- scales::seq_gradient_pal("yellow", "magenta", "Lab")(seq(0,1,length.out=length(unique(d$num.present))))
+## make some visualizations of whose here/not here
+#######################################################
png("questions_absence_histogram_combined.png", units="px", width=800, height=600)
ggplot(d) +
- aes(x=as.factor(num.calls), fill=as.factor(num.present)) +
+ aes(x=as.factor(num.calls), fill=days.absent, group=days.absent) +
geom_bar(color="black") +
- stat_count() +
scale_x_discrete("Number of questions asked") +
scale_y_continuous("Number of students") +
- # scale_fill_brewer("Absences") +
- scale_fill_manual("Absences", values=color.gradient) +
+ scale_fill_continuous("Days absent", low="red", high="blue")+
theme_bw()
dev.off()
png("questions_absenses_boxplots.png", units="px", width=800, height=600)
ggplot(data=d) +
- aes(x=as.factor(num.calls), y=num.present) +
+ aes(x=as.factor(num.calls), y=days.absent) +
geom_boxplot() +
scale_x_discrete("Number of questions asked") +
- scale_y_continuous("Number of questions present")
+ scale_y_continuous("Days absent")
dev.off()