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code.Rmd
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code.Rmd
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---
title: "R Notebook"
output: html_notebook
---
A bunch of code to read the NEISS files are in the chunk below. If you're happy using less data, there is [an R package with five years of data}(https://github.com/hadley/neiss) easily available.
```{r}
library(tidyverse)
library(lubridate)
library(stringr)
# Generated from the SAS codebook file
df.codes <- read_tsv('codes.tsv')
# Download yearly data from the NEISS query builder https://www.cpsc.gov/cgibin/NEISSQuery/home.aspx as tab separated files
# See the sample file for example
df <- tibble(filename = list.files('.', 'nss.*.tsv', full.names = TRUE)) %>%
mutate(data = map(filename, read_tsv, quote="¤")) %>%
unnest(data) %>%
select(-filename) %>%
mutate(trmt_date = lubridate::mdy(trmt_date),
year = lubridate::year(trmt_date),
month = lubridate::month(trmt_date),
wday = lubridate::wday(trmt_date),
yday = lubridate::yday(trmt_date),
norm_date = lubridate::ymd(paste0('2012-', month, '-', lubridate::mday(trmt_date)))) %>%
mutate(narrative = paste0(str_trim(coalesce(narr1, '')), ' ', str_trim(coalesce(narr2, ''))),
narrative = stringr::str_to_lower(narrative)) %>%
select(-narr1, -narr2) %>%
left_join(df.codes %>%
filter(varname == 'bdypt') %>%
transmute(body_part=code, name = factor(name))) %>%
mutate(body_part = name) %>%
select(-name) %>%
left_join(df.codes %>%
filter(varname == 'diag') %>%
transmute(diag=code, name = factor(name))) %>%
mutate(diag = name) %>%
select(-name) %>%
left_join(df.codes %>%
filter(varname == 'disp') %>%
transmute(disposition=code, name = factor(name))) %>%
mutate(disposition = name) %>%
select(-name) %>%
left_join(df.codes %>%
filter(varname == 'gender') %>%
transmute(sex=code, name = factor(name))) %>%
mutate(sex = name) %>%
select(-name) %>%
left_join(df.codes %>%
filter(varname == 'race') %>%
transmute(race=code, name = factor(name))) %>%
mutate(race = name) %>%
select(-name) %>%
left_join(df.codes %>%
filter(varname == 'locale') %>%
transmute(location=code, name = factor(name))) %>%
mutate(location = name) %>%
select(-name) %>%
left_join(df.codes %>%
filter(varname == 'product') %>%
transmute(prod1=code, name = factor(name))) %>%
mutate(prod1 = name) %>%
select(-name) %>%
left_join(df.codes %>%
filter(varname == 'product') %>%
transmute(prod2=code, name = factor(name))) %>%
mutate(prod2 = name) %>%
select(-name)
df.tmp <- rbind(
df %>%
rename(product = prod1) %>%
select(-prod2),
df %>%
rename(product = prod2) %>%
select(-prod1)
)
df <- df.tmp %>%
filter(!is.na(product)) %>%
rename(normdate = norm_date)
1
```
Summarize by week
```{r}
df.tmp <- df %>%
group_by(product) %>%
filter(sum(weight) > 1000) %>%
filter(year >= 2000) %>%
group_by(product, year, week = week(trmt_date)) %>%
summarize(n = sum(weight) / n_distinct(trmt_date),
reports = n()) %>%
ungroup() %>%
complete(product, year, week, fill=list(n=0, reports = 0)) %>%
group_by(product, year) %>%
filter(any(n > 0)) %>%
ungroup()
```
... and clean up the categories. This snippet has been used in other applications too, and most of it is not needed to get the knife data.
```{r}
df.clean <- df.tmp %>%
mutate(product = as.character(product)) %>%
mutate(category = case_when(str_detect(product, 'activity') ~ 'activity')) %>%
mutate(product = case_when(str_detect(product, 'scissors') ~ 'scissors',
str_detect(product, 'christmas') ~ 'christmas decorations',
str_detect(product, 'toy') ~ 'toys',
str_detect(product, 'knives') ~ 'knives',
str_detect(product, '(ice )?hockey') ~ 'hockey',
str_detect(product, 'swimming pools') ~ 'swimming pools',
str_detect(product, 'playground') ~ 'playground equipment',
TRUE ~ product),
product = str_replace(product, '[, ]*\\(.*', ''),
product = str_replace(product, '[, ]*nec', ''),
product = str_replace(product, '[, ]*excl .*', ''),
product = str_replace(product, '[, ]*activity.*', ''),
product = str_replace(product, '[, ]*and accessories', ''),
product = str_replace(product, ', *(other|not).*', ''),
product = str_replace(product, '[, ]*and associated equipment', ''),
product = str_replace(product, '[ ]*other ', ''),
product = case_when(product == 'sports and recreational' ~ 'sports and exercise',
product == 'exercise' ~ 'sports and exercise',
TRUE ~ product),
category = case_when(product == 'track & field' ~ 'activity',
product == 'gymnastics' ~ 'activity',
TRUE ~ category)) %>%
filter(product != '') %>%
group_by(product, category, year, week) %>%
summarize(n = sum(n))
```
```{r}
df.clean %>%
ungroup() %>%
filter(product == 'knives') %>%
mutate(n.norm = (n - min(n)) / (1 + quantile(n, 0.99) - min(n)),
n.norm = pmin(0.99999, n.norm),
n.norm = floor(n.norm * 5),
n.norm = n.norm/5 * quantile(n, 0.99) + min(n),
n.norm = factor(n.norm)) %>%
ggplot(aes(xmin=week, ymin=year + week/53, xmax= week + 1, ymax=year + 1 + (week + 1) / 53, fill=n.norm)) +
geom_segment(data = df.months %>%
mutate(week = cum/7 + 1,
week = ifelse(week >= 52, 1, week)),
aes(x = week, xend = week, y = 2005, yend=2019), inherit.aes = FALSE, size=0.2, color="#666666") +
geom_rect(color='white', size=0.2) +
scale_y_continuous(limits=c(1995, NA)) +
coord_polar() +
scale_fill_brewer(palette='YlGn') +
theme_void()
ggsave('/tmp/out.svg', width=8, height=5)
```