TODOs to Complete the Program $($Weather App$)$ C$++$

Implement WeatherData::WeatherData$($const std::string& filename$)$:

Read CSV data using CSVReader

Parse data into WeatherEntry objects

Store WeatherEntry objects in the entries vector

Implement WeatherData::getKnownCountries$()$:

Extract unique country names from the entries

Implement WeatherData::getEntries$($const std::string& country, const std::string& startDate, const std::string& endDate$)$:

Filter entries based on country and date range

Implement WeatherData::computeCandlestickData$($const std::string& country, const std::string& timeframe$)$:

Compute open, high, low, close temperatures for the given timeframe

Implement TextPlotter::plotCandlestick$($const std::vector& data$)$:

Create a text$-$based representation of candlestick data

Implement TextPlotter::plotLine$($const std::vector$>$& data$)$:

Create a text$-$based line plot of temperature data

Implement WeatherApp::computeCandlestickData$()$:

Get user input for country and timeframe

Call WeatherData to compute candlestick data

Display or save the results

Implement WeatherApp::createTextPlot$()$:

Get user input for plot type $($candlestick or line$)$

Call appropriate TextPlotter method

Display the resulting plot

Implement WeatherApp::filterAndPlotData$()$:

Get user input for filtering criteria

Filter data using WeatherData methods

Plot filtered data using TextPlotter

Implement WeatherApp::predictAndPlotData$()$:

Implement a simple prediction algorithm

Generate future data points

Plot predicted data using TextPlotter

Add error handling and input validation throughout the application

Implement any additional features or improvements as needed

Write unit tests for each class and major function

Document the code thoroughly with comments

Optimize performance where possible

By completing these TODOs, you will have a functional weather data analysis application that meets the requirements of the project.