7unique =n_distinct(ip_id),8countries =n_distinct(country),9avg_bytes =mean(size)10) %>%11filter(countries > 60) %>%12arrange(desc(countries), avg_bytes)1314#Print result to console15print(result3)
arrange()进行排序 arrange()函数是用来排序的,根据某一列进行排序。 starwars %>% arrange(height, mass) ## # A tibble: 87 x 14 ## name height mass hair_color skin_color eye_color birth_year sex gender ## <chr> <int> <dbl> <chr> <chr> <chr> <dbl> <chr> <chr> ## 1 Yoda 66...
orders the rows of a data frame by the values of selected columns. 创建一个dataframe ,这里用的数据是R自带的 代码语言:javascript 代码运行次数:0 AI代码解释 df<-mtcars df 对数据降序排列 代码语言:javascript 代码运行次数:0 运行 AI代码解释 df2<-dplyr::arrange(mtcars,cyl,disp) 使用dplyr::arrange...
df %>%mutate(z = x + y)#> # A tibble: 1 × 3#> x y z#> <dbl> <dbl> <dbl>#> 1 1 2 3df %>%mutate(z = x + y, .before =1)#> # A tibble: 1 × 3#> z x y#> <dbl> <dbl> <dbl>#> 1 3 1 2df %>%mutate(z = x + y, .after = x)#> # A tibble: ...
问将多列永久转换为数值- dplyrEN版权声明：本文内容由互联网用户自发贡献，该文观点仅代表作者本人。本...
group_by(g) %>%reframe(x = intersect(x, table))#> # A tibble: 5 × 2#> g x#> <dbl> <chr>#> 1 1 a#> 2 1 b#> 3 2 f#> 4 2 d#> 5 2 a# You can add multiple columns at once using a single expression by returning# a data frame.quantile_df <-function(x, probs ...
arrange(df1, desc(color)) # import data and change to tbl object order <- read.csv("dplyr-data/order.csv") head(order,5) order_tbl <- tbl_df(order) head(order_tbl, 5) # order by date tbl <- select(order_tbl, odate = orderdate, oprice = totalprice) ...
arrange reorder rows # base R approach to select UniqueCarrier and DepDelay columns and sort by DepDelayflights[order(flights$DepDelay),c("UniqueCarrier","DepDelay")]# dplyr approachflights%>%select(UniqueCarrier,DepDelay)%>%arrange(DepDelay)# use `desc` for descendingflights%>%select(Unique...
arrange() fails gracefully on data.frame columns (#3153). Corrected error message when calling cbind() with an object of wrong length (#3085). Add warning with explanation to distinct() if any of the selected columns are of type list (#3088, @foo-bar-baz-qux), or when used on unkno...
arrange(tiny, pop) ## # A tibble: 3 × 5 ## id country continent newVarSqrt pop ## <int> <fctr> <fctr> <dbl> <int> ## 1 3 Sri Lanka Asia 0.23152386 13016733 ## 2 2 Canada Americas 0.06698245 20819767 ## 3 1 Colombia Americas 0.12311279 27764644 ...