# Specify NaN encoding in np.where() logic

I have data that looks like this: id case2_q6 0 300 3.0 1 304 4.0 2 306 3.0 3 309 1.0 4 311 3.0 5 312 4.0 6 314 NaN 7 315 2.0 8 316 3.0 9 317 3.0 And using this np.where() function call to generate new variables: df[‘fluid_2’] = np.where((df[‘case2_q6’] == 1) |… Read More Specify NaN encoding in np.where() logic

# Find if Exactly One Element in An Array Is True

Write a function one that accepts an array and a callback as arguments. The function should call the callback for each element of the array, passing in the element and its index. The function should return a boolean indicating whether or not exactly one element of the array results in true when passed into the… Read More Find if Exactly One Element in An Array Is True

# conditionally set both fill and color in geom_point ggplot R

what is wrong my code that does not change the filling color? cars %>% ggplot() + geom_point(aes(x = speed, y = dist, color= I(ifelse(dist >50, ‘red’, ‘black’)), fill= I(ifelse(dist >50, ‘pink’, ‘gray’)) ) ) >Solution : You need to have a point shape that allows both fill and colour. library(ggplot2) cars %>% ggplot() + geom_point(… Read More conditionally set both fill and color in geom_point ggplot R

# Do i have to initialise a variable in every if else statement in Java?

int outsideTem = 10; String output; if(outsideTem < 0){ //output = "Grab a coat";// i get an error if i comment out this line but why? //System.out.println(output); } else if(outsideTem < 15){ output = "Grab a cardigan"; //System.out.println(output); } else{ output = "HOT!!!"; //System.out.println("HOT!!!"); } System.out.println(output); Getting an error if i comment out the variable… Read More Do i have to initialise a variable in every if else statement in Java?

# Mysql Substr index and multiple group by conditions

I’m trying to get the totals of a table grouped by names that are similar. Here is my test mysql: CREATE TABLE IF NOT EXISTS aa ( clicks INT NOT NULL, locn varchar (30) NOT NULL ) CHARACTER SET utf8 COLLATE utf8_unicode_ci; insert into aa values(1, ‘page?1’), (1, ‘page?2’), (1, ‘page?3’), (1, ‘item(12)’), (1, ‘item(22)’),… Read More Mysql Substr index and multiple group by conditions

# How to run conditional statement after all comparison operator done

I’m new on programming. I want to make conditioonal statmenet using if,else inside of while loop. while(i < files.length){ if(pathnameParams == files [i]){ res.sendFile(path.join(__dirname+’/pages/’+pathnameParams.id)); response.writeHead(200); response.end; }else{ res.writeHead(404); }; i++; } but I want to response 404 after all conditional statment done such as all loop are false then run else{}. thank you all ðŸ™‚… Read More How to run conditional statement after all comparison operator done

# How to create a binary variable based on multiple ordinal variables in R?

I want to use a set of 9 ordinal variables (scale of 0-3) to define a 10th binary variable. The binary variable is defined as: Of the 9 items, 5 or more are >= 2. I don’t know how to write code to calculate this other than to list all possible combinations of 5 questions… Read More How to create a binary variable based on multiple ordinal variables in R?

# Problems with conditional rendering

I’m trying to mark divs that is clicked on my website. When I click, the array is updated but the mark won’t show. It seems like the statement gameChoices.includes(‘Fortnite’) is false, even though the array contains the exact value Fortnite. Does anyone know why this happens? Eventually a new solution for the problem? Code: <Container… Read More Problems with conditional rendering

# OR operation not working in removing string part

I’ve been trying to parse a string and to get rid of parts of the string using the remove() function. In order to find the part which I wanted to remove I used an OR operator. However, it does not produce the outcome I expected. Can you help me? My code looks like this: import… Read More OR operation not working in removing string part

# How to check if local variable in ruby partial equals something?

So I have a partial in my ruby app. I have a local variable "style" which is defined by some string. I want to render some h2 if this local var equals "numbered". I can’t figure out the syntax… PAGE.HTML.ERB: <%= render partial: ‘blocks/cards’, locals: {style: "numbered", items: [ {subtitle: "", title: "Creative design", text:… Read More How to check if local variable in ruby partial equals something?