mlt | MLT Multimedia Framework | Video Utils library
kandi X-RAY | mlt Summary
kandi X-RAY | mlt Summary
MLT is a LGPL multimedia framework designed for video editing. This document provides a quick reference for the minimal configuration, build and installation of MLT. See the docs/ directory for usage details. See the website for development details and a contributing guide.
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QUESTION
I'm trying to list all 'languages' from a JSON file into a
ANSWER
Answered 2021-Dec-27 at 09:34You need to use country.languages[lang]
inside the Object.keys(country.languages).map()
Also because you are using lambda notation, you need to leave out the curly braces {
and }
after the =>
.
QUESTION
I am making a bar plot with ggplot2. For some reason the font created using geom_text looks very different than the rest. It looks 'worse', sort of pixely, and when I paste the pdf in a ppt presenation you can hardly read the geom_text text. The axis fonts look great.
Any help appreciated,
ANSWER
Answered 2021-Dec-02 at 16:04It is overplotted for each row in your data. Set check_overlap = TRUE
inside geom_text()
, or use annotate
instead. Or create a separate data frame for this layer with one row per label.
QUESTION
I have a dataset with about 50 columns (all indicators I got from World Bank), Country Code and Year. These 50 columns are not all complete, and I would like to fill in the missing values based on an lm fit for the column for that specific country. For example:
Doing this for a single country and a single column is absolutely fine when following these steps here: Filling NA using linear regression in R
However, I have over 180 different countries I want to do this to. And I want this to work for each indicator per country (so 50 columns total) So in a way, each country and each column would have its own linear regression model that fills out the missing values.
Here is how it looked after I did the steps above: This is the expected output for ONE column. I would like to do this for EVERY column by individual country groups.
However, the data looks like this:
There are numerous countries and columns that I want to perform this on just like the post above.
This is for a project I am working on for my data-mining / statistics class. Any help would be appreciated and thanks so much in advance!
EDIT
I tried this:
...ANSWER
Answered 2021-Dec-02 at 13:40Since you already know how to do this for one dataframe with a single country, you are very close to your solution. But to make this easy on yourself, you need to do a few things.
Create a reproducible example using dput. The
janitor
library has the clean_names() function to fix columns names.Write your own interpolation function that takes a dataframe with one country as the input, and returns an interpolated dataframe for one country.
Pivot_longer to get all the data columns into a one parameterized column.
Use the
dplyr
function group_split to take your large multicountry dataframe, and break it into a list of dataframes, one for each country and parameter.Use the
purrr
function map to map each of the dataframes in the list to a new list of interpolate dataframes.Use dplyr's bind_rows to convert the list interpolated dataframes back into one dataframe, and pivot_wider to get your original data shape back.
QUESTION
When building certain mlt files with melt 7.1.0, they run just fine, but when building them with melt 6.24.0, the error message
...ANSWER
Answered 2021-Nov-08 at 23:51Before writing this answer, I had not yet gotten around to look at the result. Thus, it stands that no further warnings are given, but with the following approach, only black (and silent) video will be generated.
Old AnswerWhile I do not understand enough about the internals of the MLT framework to have even an inkling about the origins, I managed to work around this problem by manually reordering the mlt files. In my cases, the error disappeared consistenly when any playlist
tag was moved before the first chain
tag of the file. In the MWE the error can thus be avoided like this:
QUESTION
I have to obtain contour plots to get a range of optimum values using the following variables:
...ANSWER
Answered 2021-Nov-06 at 15:03Your code will not work, you need to create a grid for your predictor values, first we read in your data and fit:
QUESTION
I can Login successfully but There is button "Start new booking" but my script doesn't click that button.
...ANSWER
Answered 2021-Oct-22 at 07:28Try those line . actually working for me
QUESTION
I made a list with custom numbering but numbering itself gets a different style from paragraphs run. How can I make numbering have the same styles as paragraphs XWPFRun?
This is my numbering
...ANSWER
Answered 2021-Sep-23 at 09:26If someone has the same problem, you should add your new style to the document and than use its StyleID to XWPFParagraph like this:
QUESTION
I am generating a sorted bar chart from a very small dataframe. 54 rows.
Everything works except I noticed my xtick labels were not centered under the bars in the chart.
Upon further inspection, my bar chart is generating 55 columns.
There are only 54 values.
The lowest value is: 11720.226825 for IDN.
Where is that left most column coming from?
...ANSWER
Answered 2021-Sep-05 at 15:52QUESTION
I am using Synth() package (see ftp://cran.r-project.org/pub/R/web/packages/Synth/Synth.pdf) in R.
This is a part of my data frame:
...ANSWER
Answered 2021-Aug-18 at 06:32I cannot tell you what's going on behind the scenes, but I think that Synth wants a few things:
First, turn factor variables into characters;
QUESTION
see this is my code
...ANSWER
Answered 2021-Jun-17 at 11:00The condition in:
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