javelin | bloated Javascript framework | Application Framework library
kandi X-RAY | javelin Summary
kandi X-RAY | javelin Summary
Javelin is a performance-oriented Javascript library originally developed at Facebook. Learn more at
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Trending Discussions on javelin
QUESTION
I am a newbie in data analysis. I wish to know how to boxplot multiple columns (x-axis = Points, Score, Weigh) in a single graph and make the y-axis as a standardized scale for comparison. I have tried and couldn't understand the code (Python+Pandas+Seaborn) for this. Help me out guys. The dataset for the same is as follows:
Cars Points Score Weigh 0 Mazda RX4 3.90 2.620 16.46 1 Mazda RX4 Wag 3.90 2.875 17.02 2 Datsun 710 3.85 2.320 18.61 3 Hornet 4 Drive 3.08 3.215 19.44 4 Hornet Sportabout 3.15 3.440 17.02 5 Valiant 2.76 3.460 20.22 6 Duster 360 3.21 3.570 15.84 7 Merc 240D 3.69 3.190 20.00 8 Merc 230 3.92 3.150 22.90 9 Merc 280 3.92 3.440 18.30 10 Merc 280C 3.92 3.440 18.90 11 Merc 450SE 3.07 4.070 17.40 12 Merc 450SL 3.07 3.730 17.60 13 Merc 450SLC 3.07 3.780 18.00 14 Cadillac Fleetwood 2.93 5.250 17.98 15 Lincoln Continental 3.00 5.424 17.82 16 Chrysler Imperial 3.23 5.345 17.42 17 Fiat 128 4.08 2.200 19.47 18 Honda Civic 4.93 1.615 18.52 19 Toyota Corolla 4.22 1.835 19.90 20 Toyota Corona 3.70 2.465 20.01 21 Dodge Challenger 2.76 3.520 16.87 22 AMC Javelin 3.15 3.435 17.30 23 Camaro Z28 3.73 3.840 15.41 24 Pontiac Firebird 3.08 3.845 17.05 25 Fiat X1-9 4.08 1.935 18.90 26 Porsche 914-2 4.43 2.140 16.70 27 Lotus Europa 3.77 1.513 16.90 28 Ford Pantera L 4.22 3.170 14.50 29 Ferrari Dino 3.62 2.770 15.50 30 Maserati Bora 3.54 3.570 14.60 31 Volvo 142E 4.11 2.780 18.60My output should look something like: Output Boxplot Graph
...ANSWER
Answered 2021-May-14 at 04:20boxplot = df.boxplot(column=['Points', 'Score', 'Weight'])
might work here
QUESTION
I have created a reactive function in the server to get a list of elements. The idea is to show each element of the list as a individual choice in the ui, just like selectInput does in the ui.
I wrote an example with mtcars.
...ANSWER
Answered 2021-Apr-08 at 07:48Generate the selectInput
on the server side.
QUESTION
I am trying to subsample a data.frame in a way that the sample would have observations that capture as much variation as possible among a set of columns of the original data.frame.
An example with the mtcars
dataset: I'd like to find 3 cars that are the most different from each other by mpg
, vs
and carb
. Looking at the data visually, it would probably be Toyota Corolla (high mpg
, vs
1, low carb
), Cadillac Fleetwood (low mpg
, vs
0, medium carb
) and either Maserati Bora (low-med mpg
, vs
0, high carb
) or Ferrari Dino (medium mpg
, vs
0, med-high carb
):
ANSWER
Answered 2021-Mar-20 at 15:12I am not exactly sure if this is what you are looking for, but here it goes:
calculate a distance matrix, giving you information about how "far away" each car is from all other cars, based on all the attributes they have (the default for
dist()
is eucledian, which you can change).Then take the rowsums or colsums (same thing) from that matrix, which just sums up for each car what the combined distance to all other cars is.
Then isolate those cars with the biggest distances (here, we want 3 cars)
Finally subset your dataframe to only include those cars:
QUESTION
I have a data frame with several columns and I want to recode values. Each column has its individual set of recoding rules, given in a table of original
<=> replacement
mapping (each table is specific to each column).
I'm trying to come up with a programmatic solution that will allow me to functionize such recoding procedure.
ExampleThe objects I'm given
- data
- table storing information about per-column recoding instructions
ANSWER
Answered 2021-Mar-01 at 19:20I think Map
is a good candidate here:
QUESTION
Due to lack of funds (till subscriptions can be taken again) we cannot pay for a developer to correct the way results are displayed in some query/searches.
What happens in these cases is that the order in which the rows are stored in displayed for the user.
Requirement As an interim - carry out the AlphaNumeric reorder the table of results so that the positions of each even is in Aplhanumerical order 1 to 10 then 11 and larger numbers below followed by alphabetical letters.
This is an example of how it can appear
...ANSWER
Answered 2021-Feb-20 at 12:15Pos column seems to be alphnumeric so numbers will not sort by value.
Try below
QUESTION
Let's say I want to apply the same function (dplyr::filter
) on the same dataset with different filtering conditions.
I can use pmap
here to give a list of arguments in .l
and the function I want to run in .f
. The arguments to filter
are .data
(which I have specified), and it works with one condition, as expected:
ANSWER
Answered 2021-Jan-30 at 08:17If you are expecting 2 data frames, then using pmap
with list(mtcars)
is not the correct approach. As suggested by @GregorThomas, map
is what you want to use instead. The element of your code that changes is the values that you would like to use for filtering, so this is what you should "map" instead:
QUESTION
How to recode some dataframe values to NA
if they don't appear in a separate vector?
More specifically, how to approach such task when:
- each data column to clean has its specific set of "valid" values to keep, independent of other columns
- column-specific values are given in a separate table (as vectors nested in a list-column in a
tibble
)
- My data to clean up is
my_mtcars
- I want to clean up certain columns (
cars
,gear
, andcarb
) - In each of those columns, I want to keep only certain values as they are specified in a separate table
table_valid_values
undervalid_values
. Otherwise, values not specified as "valid" should turn toNA
. - For any column of
my_mtcars
that does not appear intable_valid_values
, no cleanup is needed.
ANSWER
Answered 2021-Jan-27 at 10:20You could use dplyr
as :
QUESTION
I am struggling to actually use the results of a setdiff on two data frames (it makes sense to me as a vector, but not as much for data frames).
REPREX:
...ANSWER
Answered 2020-Dec-03 at 03:27I think the output you are looking for is closer to what dplyr::anti_join
provides
QUESTION
I am having trouble extracting the proper information from my JsonObject. Currently, I'm receiving this type of String from a Web API:
...ANSWER
Answered 2020-Nov-29 at 17:45This is what you want:
QUESTION
I am following an in-line style method to develop this layout. When I make it responsive, the body and footer content is not getting aligned. As you can see in the image shared on the link, contents are not well aligned when it is responsive:
and here's my code
...ANSWER
Answered 2020-Nov-03 at 14:14There were a few things (I think) was wrong with your HTML.
- Body of the mobile device was set to 400px
- content was set to 400px
I have added a new class container
to change the width of the outer table on mobile devices.
Below is the update code.
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