/**
 * This code snippet checks the performance of a marketing campaign by analyzing the data.
 *
 * @param campaignData A dictionary containing the campaign data.
 * @return True if the campaign performance is good, False otherwise.
 */
fun checkCampaignPerformance(campaignData: Map<String, Double>): Boolean? {

    // Retrieve the metrics from the campaign data
    val impressions = campaignData["impressions"]
    val clicks = campaignData["clicks"]
    val conversions = campaignData["conversions"]
    val revenue = campaignData["revenue"]

    // Check if any of the metrics is missing
    if (null in listOf(impressions, clicks, conversions, revenue)) {
        return null
    }

    // Calculate the click-through rate (CTR) and the conversion rate
    val clickThroughRate = clicks!! / impressions!!
    val conversionRate = conversions!! / clicks!!

    // Analyze the campaign performance based on the CTR and conversion rate
    return when {
        clickThroughRate > 0.01 && conversionRate > 0.1 -> true
        clickThroughRate <= 0.01 -> false
        else -> null
    }
}
/**
 * This code snippet checks the performance of a marketing campaign by analyzing the data.
 *
 * @param campaignData A dictionary containing the campaign data.
 * @return True if the campaign performance is good, False otherwise.
 */
fun checkCampaignPerformance(campaignData: Map<String, Double>): Boolean? {
/**
 * This code snippet checks the performance of a marketing campaign by analyzing the data.
 *
 * @param campaignData A dictionary containing the campaign data.
 * @return True if the campaign performance is good, False otherwise.
 */
fun checkCampaignPerformance(campaignData: Map<String, Double>): Boolean? {

    // Retrieve the metrics from the campaign data
    val impressions = campaignData["impressions"]
    val clicks = campaignData["clicks"]
    val conversions = campaignData["conversions"]
    val revenue = campaignData["revenue"]

    // Check if any of the metrics is missing
    if (null in listOf(impressions, clicks, conversions, revenue)) {
        return null
    }

    // Calculate the click-through rate (CTR) and the conversion rate
    val clickThroughRate = clicks!! / impressions!!
    val conversionRate = conversions!! / clicks!!

    // Analyze the campaign performance based on the CTR and conversion rate
    return when {
        clickThroughRate > 0.01 && conversionRate > 0.1 -> true
        clickThroughRate <= 0.01 -> false
        else -> null
    }
}