Created
March 26, 2020 21:57
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git clone https://github.com/pcm-dpc/COVID-19/ | |
cd COVID-19 | |
fgrep -i lombardia dati-regioni/dpc-covid19-ita-regioni.csv | cut -d , -f 15 > /tmp/lombardia.dat | |
R | |
data = read.table("/tmp/lombardia.dat", header=FALSE, sep="\t") | |
colnames(data) = c("cases") | |
data$variation = diff(c(0, data$cases)) | |
data$day <- seq.int(nrow(data)) | |
data2 = subset(data, cases>=1) | |
data2$smoothed_cases <- exp(predict(loess(log(cases) ~ day, data=data2, span=0.75))) | |
data2$smoothed_variation = diff(c(0, data2$smoothed_cases)) | |
data2 = subset(data2, smoothed_cases>=15 & day >= 2) | |
fit = lm(smoothed_variation/smoothed_cases ~ day, data2) | |
summary(fit) | |
require(ggplot2) | |
ggplot(data=data2, mapping=aes(x=day,y=smoothed_variation/smoothed_cases)) + geom_line() + geom_point(data=data2, mapping=aes(x=day, y=variation/cases), color="red") | |
ggsave("/tmp/lombardia.png") |
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egrep '^75' /tmp/sursaud-covid19-quotidien-2020-03-26-13h19-feuille1.csv | cut -d , -f 4 > /tmp/paris.dat | |
R | |
data = read.table("/tmp/paris.dat", header=FALSE, sep="\t") | |
colnames(data) = c("variation") | |
data$day <- seq.int(nrow(data)) | |
data <- within(data, cases <- cumsum(variation)) | |
data2 = subset(data, cases>=1) | |
data2$smoothed_cases <- exp(predict(loess(log(cases) ~ day, data=data2, span=0.75))) | |
data2$smoothed_variation = diff(c(0, data2$smoothed_cases)) | |
data2 = subset(data2, smoothed_cases>=5 & day >= 2) | |
fit = lm(smoothed_variation/smoothed_cases ~ day, data2) | |
summary(fit) | |
require(ggplot2) | |
ggplot(data=data2, mapping=aes(x=day,y=smoothed_variation/smoothed_cases)) + geom_line() + geom_point(data=data2, mapping=aes(x=day, y=variation/cases), color="red") | |
ggsave("/tmp/paris.png") |
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