FreeCodeCamp/HelpDataViz

Get help on our Data Visualization projects

Johnny

@JohnnyBizzel

@melkisedek Are you there?

Melkisedek Hamakali

@melkisedek

@JohnnyBizzel I am still here. The thing is, it worked like that before. I will revert it to demonstrate.

@JohnnyBizzel Reverted the code. It's bound to the DOM via

const svg = d3
    .select("body")
    .append("svg")
    .attr("width", svg_width)
    .attr("height", svg_height);

Johnny

@JohnnyBizzel

Then why is nothing rendering?

Melkisedek Hamakali

@melkisedek

@JohnnyBizzel Please view it again.

@JohnnyBizzel or refresh page

Melkisedek Hamakali

@melkisedek

@JohnnyBizzel Hello?

Johnny

@JohnnyBizzel

Can't figure it out. Long time since I did d3

Melkisedek Hamakali

@melkisedek

Alright.

Johnny

@JohnnyBizzel

d3 is horrible.

You get either everything in place or nothing

Very hard when you are looking at someone else's code

Melkisedek Hamakali

@melkisedek

Is there an alternative you would recommend?

Johnny

@JohnnyBizzel

To what?

Coding?

:joy:

Johnny

@JohnnyBizzel

What is the chart meant to show?

Looks reversed

y is NaN

How are you calculating y for the bars?

Melkisedek Hamakali

@melkisedek

It should look similar to this and should use data from here

Johnny

@JohnnyBizzel

You mean this https://codepen.io/JohnnyBizzel/pen/xqbjVQ

I don't know. I can't work out what values you are using for Y *the bar heights

Johnny

@JohnnyBizzel

The calculation is returning NaN

Good luck with it!

Melkisedek Hamakali

@melkisedek

The dataset.data array is made up of pair of elements , a date string and a gdp value. [['1995-03-01',1232424],......]

Melkisedek Hamakali

@melkisedek

@JohnnyBizzel I'll stop here for today. Good day/night.

Lorenzo Gamboa García

@Lorengamboa

High I made this slider js library! https://github.com/Lorengamboa/SMSlider
id like some review :L

Johnny

@JohnnyBizzel

*Hi

@Lorengamboa You say it is light but on glitch it uses 178 Mb! :joy:

Johnny

@JohnnyBizzel

Robert Friedman

@robfr77

Hey, does anyone have any suggestions for making eco minded charts on things such as plastic consumption, forest removal, animal well being? Thanks

evaristoc

@evaristoc

@robfr77 wauw! That sounds like a good idea! Data could be found for free in some places. Try Kaggle? Ask also at the Data Science room? I would be happy to help you go that track.

Chris Cullen

@123xylem

    for( var i = 0; i < arr.length; i++){
       var next = arr[(i+1)%len];

         diff = (values[arr[i]] - next );
          console.log(next);
          date += values[arr[i]];
        }

Why is next here going back to the start of the array once its finished?
how can I make it end at the end

freepancakes

@OudarjyaS_twitter

everyone doing good?

Johnny

@JohnnyBizzel

@123xylem Problem found with one of your plugins: https://spicyimthai.com/

Fabrizzio Petrucci

@fabrizziop

Hi, I think I need a bit of help with the scatter plot data viz project

I have been trying for some hours already but I can't see why I'm failing the "The data-yvalue and its corresponding dot should align with the corresponding point/value on the y-axis" test

even though the graph looks okay

https://codepen.io/fabrizziop/full/QWLOWEV

please ignore the missing legend

I don't like asking for help, but I can't find any other way :(

Vishwas Meshram

@vishwas0459

is this room active?

I am unable to pass the test#6 of TreeMap project.
"The area of each tile should correspond to the data-value amount: tiles with a larger data-value should have a bigger area."

https://codepen.io/vishwas0459/pen/ZEbbyBj

c0d0er

@c0d0er

does anybody know why my d: drive full of lock icons in folders and files, and i cannot copy file to my d: drive, and i cannot delete any files in d: drive, my computer has c: and d: drive, my system is xubuntu 18.04, thanks

Joseph Morse

@jnmorse

@c0d0er Linux doesn't use C: or D: drive designations, but that said, it sounds like your "d: drive" may have user/group permissions set in such a way that doesn't allow your user account to write to it. you can use the chown command to change ownership, https://linux.die.net/man/1/chown. But please be careful, this can have unexpected side effects if something else on you system needs permissions for those file. If you need to adjust read/write permissions as well there is the chmod command https://www.howtogeek.com/437958/how-to-use-the-chmod-command-on-linux/

Christopher McCormack

@cmccormack

Hello! If you are new here and want to join the conversation, please head over to the freeCodeCamp Discord channel! https://www.freecodecamp.org/news/freecodecamp-discord-chat-room-server/

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